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Qt Quick vs Flutter

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  • sierdzioS sierdzio

    Great info, @ekkescorner , as always! Thanks for chiming in.

    in many cases together with Bluetooth devices (Scanner, Printer, eCards, waiter lock, ...)

    Lucky you. My experience with BT support so far was really bad, but it wasn't fully Qt's fault. All OSes treat BT differently, have different bugs etc. Maintaining an app with BLE support on Windows, Android, iOS, macOS is a real nightmare.

    ekkescornerE Offline
    ekkescornerE Offline
    ekkescorner
    Qt Champions 2016
    wrote on last edited by
    #18

    @sierdzio yep - not so easy with BT on different platforms. have done this for Android and iOS. then a customer asks to support W10 tablets. I'm not a windows developer and managed it to work on W10, too. on macOS I've seen that some devices are working and others not. (Using macOS only while developing not in production)
    I'm also doing BT Classic for Scanners and Printers on Android.
    Luckily Qt provides this, too. Just implementing all the pieces. will blog later on this.

    Take a look at Flutter: different plugins for BLE and BT Classic from different developers. I really prefer to get this directly from Qt.
    (yep - would be great to get more from Qt for mobile, but a big thanks for all the work on BT)

    ekke ... Qt Champion 2016 | 2024 ... mobile business apps
    5.15 --> 6.8 https://t1p.de/ekkeChecklist
    QMake --> CMake https://t1p.de/ekkeCMakeMobileApps

    1 Reply Last reply
    1
    • ekkescornerE ekkescorner

      for me the decision is clear: I'll use Qt for mobile
      have developed some very complex apps for customers out there running on thousands of devices
      always mobile biz apps, running in-house
      all my apps developed with QtQuickControls2 (QQC2) are very performant

      my subjective personal POV: comparing flutter UI code and QML Code --> QML Code is much easier to read.
      I never studied C or C++, developed 10+ years with Java
      then with BlackBerry 10 / Cascades first time had to deal with Qt-C++ and it is really easy to understand
      as BlackBerry faded away some years ago I started with Qt and QQC2 - UI in QML, biz logic, network, ... in C++

      Material style looks good on Android and iOS - my apps are running from lowcost-Android up to iPad 12.9 pro, in many cases together with Bluetooth devices (Scanner, Printer, eCards, waiter lock, ...)

      It toom a while to understand QtCreator coming from so many years using Eclipse IDE, but finally I must say QtCreator is great for x-platform mobile development

      upcoming Qt 6 with reduced QML 3 will provide an even more performant environment (QML automatically by magic compiled to C++) and better content assist while hacking code. I'll port all my apps to Qt 6 / QML3 and start a new blog series about, probably also working on a book Qt6-for-mobile later this year)

      so if starting new I would give Qt a try

      tomyT Offline
      tomyT Offline
      tomy
      wrote on last edited by
      #19

      @ekkescorner

      QML Code is much easier to read.

      So it's the important point you think Qt (for mobile) has compared to Flutter. I agree with that it has a great impact on app maintenance. I hope Qt company will pay more attention to mobile apps so that it has more words to say in this "mobilized" world against the bigger company backing Flutter, Google! :|

      probably also working on a book Qt6-for-mobile later this year)
      so if starting new I would give Qt a try

      That sounds awesome. Looking forward to seeing things from you. :)

      If the person downloads the newest version of Qt, will he/she be able to use Qt 6 and QML 3 on it now, please?

      J.HilkJ ekkescornerE 2 Replies Last reply
      0
      • tomyT tomy

        @ekkescorner

        QML Code is much easier to read.

        So it's the important point you think Qt (for mobile) has compared to Flutter. I agree with that it has a great impact on app maintenance. I hope Qt company will pay more attention to mobile apps so that it has more words to say in this "mobilized" world against the bigger company backing Flutter, Google! :|

        probably also working on a book Qt6-for-mobile later this year)
        so if starting new I would give Qt a try

        That sounds awesome. Looking forward to seeing things from you. :)

        If the person downloads the newest version of Qt, will he/she be able to use Qt 6 and QML 3 on it now, please?

        J.HilkJ Offline
        J.HilkJ Offline
        J.Hilk
        Moderators
        wrote on last edited by
        #20

        @tomy said in Qt Quick vs Flutter:

        So it's the important point you think Qt (for mobile) has compared to Flutter. I agree with that it has a great impact on app maintenance. I hope Qt company will pay more attention to mobile apps so that it has more words to say in this "mobilized" world against the bigger company backing Flutter, Google! :|

        since Google/Alphabet stands behind flutter, chances are high that it will die/be unspported/ dropped in 1 - 2 years time, like 80% else made by google.

        I'm joking, googles history speaks for itself.

        If the person downloads the newest version of Qt, will he/she be able to use Qt 6 and QML 3 on it now, please?

        Not as far as I know, maybe you can get a preview/alpha version once 5.15 is officially out.


        Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


        Q: What's that?
        A: It's blue light.
        Q: What does it do?
        A: It turns blue.

        1 Reply Last reply
        1
        • tomyT tomy

          @ekkescorner

          QML Code is much easier to read.

          So it's the important point you think Qt (for mobile) has compared to Flutter. I agree with that it has a great impact on app maintenance. I hope Qt company will pay more attention to mobile apps so that it has more words to say in this "mobilized" world against the bigger company backing Flutter, Google! :|

          probably also working on a book Qt6-for-mobile later this year)
          so if starting new I would give Qt a try

          That sounds awesome. Looking forward to seeing things from you. :)

          If the person downloads the newest version of Qt, will he/she be able to use Qt 6 and QML 3 on it now, please?

          ekkescornerE Offline
          ekkescornerE Offline
          ekkescorner
          Qt Champions 2016
          wrote on last edited by
          #21

          @tomy the way from Qt 5 / QML2 to Qt 6 / QML3 will be a step-by-step process
          Qt 6.0 is planned for Nov 2020 - I expect End of 2020 or first quarter 2021 ;-)
          about Qt 6: https://www.qt.io/blog/2019/08/07/technical-vision-qt-6

          the process starts with Qt 5.15
          many new things will be backported to 5.15
          there will also be help from QtCreator to see what will be deprecated in Qt 6 / QML 3
          hopefully this will work smooth

          a first blog about new ways to go with QML in 5.15: https://www.qt.io/blog/qml-type-registration-in-qt-5.15

          I'll try to follow this process and blog about and report issues to help Qt
          have no idea how much work this will be and how easy / diffcult it will be to transform apps to Qt6 / QML3

          I have created some very complex apps and I know most of my own project rules won't work anymore

          some years ago I started with Qt as a newbie - this was the time where first Betas of QtQuickControls2 came out.
          I tried to use them, tested, blogged, requested features, added issues, ... - this was much work, but I got many of my issues/requests solved, so it was worth spending the time and motivates me to do the same with Qt6 QML3 for mobile apps

          ekke ... Qt Champion 2016 | 2024 ... mobile business apps
          5.15 --> 6.8 https://t1p.de/ekkeChecklist
          QMake --> CMake https://t1p.de/ekkeCMakeMobileApps

          1 Reply Last reply
          6
          • tomyT tomy

            Hello all,

            Why do you think Qt Quick is better than Flutter for Android and iOS apps? What are the advantages and disadvantages of Qt Quick over Flutter for that area, please? How about apps for embedded devices by the two?

            I did a research on the Web for the case but couldn't find a comprehensive and good answer.

            Thanks beforehand.

            T Offline
            T Offline
            Tom_H
            wrote on last edited by
            #22

            @tomy I had a good experience with Qt for my first Android project, but I wouldn't use it again, primarily because of the licencing issue and I don't like the direction Qt is heading (all new modules are GPL instead of LGPL). And lately it seems the Qt Company doesn't care about mobile platforms.

            When I started, there weren't many other cross-platform options. But now we have Flutter, React Native, and NativeScript, among others. I looked at Flutter and didn't like it. I don't like Dart and I don't like their UI markup. QML is the best UI markup language by far, IMO, and I will miss it.

            Another consideration for me back then was that I needed OpenGL. I don't know if Flutter et al support 3D yet, so if I need 3D again I'll probably use a game engine like Godot.

            But for my next 2D project I'm going to look at NativeScript. I guess now would be a good time to do that while I'm #SocialDistancing

            ekkescornerE 1 Reply Last reply
            0
            • T Tom_H

              @tomy I had a good experience with Qt for my first Android project, but I wouldn't use it again, primarily because of the licencing issue and I don't like the direction Qt is heading (all new modules are GPL instead of LGPL). And lately it seems the Qt Company doesn't care about mobile platforms.

              When I started, there weren't many other cross-platform options. But now we have Flutter, React Native, and NativeScript, among others. I looked at Flutter and didn't like it. I don't like Dart and I don't like their UI markup. QML is the best UI markup language by far, IMO, and I will miss it.

              Another consideration for me back then was that I needed OpenGL. I don't know if Flutter et al support 3D yet, so if I need 3D again I'll probably use a game engine like Godot.

              But for my next 2D project I'm going to look at NativeScript. I guess now would be a good time to do that while I'm #SocialDistancing

              ekkescornerE Offline
              ekkescornerE Offline
              ekkescorner
              Qt Champions 2016
              wrote on last edited by
              #23

              @Tom_H you know that there will be a new startup / small biz offering coming for $499/year ?

              ekke ... Qt Champion 2016 | 2024 ... mobile business apps
              5.15 --> 6.8 https://t1p.de/ekkeChecklist
              QMake --> CMake https://t1p.de/ekkeCMakeMobileApps

              T 1 Reply Last reply
              1
              • ekkescornerE ekkescorner

                @Tom_H you know that there will be a new startup / small biz offering coming for $499/year ?

                T Offline
                T Offline
                Tom_H
                wrote on last edited by
                #24

                @ekkescorner I did not know that. Good to know. I just got done reading the article you posted about Qt 6. Interesting read.

                1 Reply Last reply
                0
                • B Offline
                  B Offline
                  bogong
                  wrote on last edited by bogong
                  #25

                  I've been working with Flatter/Dart and this is explanation of my experience:

                  1. Flatter is not the solution itself. It's only framework on Dart.

                  2. The Dart VM - is SUPER slow. Here the benchmark https://benchmarksgame-team.pages.debian.net/benchmarksgame/fastest/dart-java.html There are fundamental issue in threads. The manner of threads - the reason of why it's so slow. There are not about percents, there are about times.

                  3. Extremely difficult in reality to add something native. You should be creating extensions to Dart VM on C++ In case of very restricted functionality for now - it's might be HUGE problem. (One question - if you need to add something on C++ to Dart, why Dart?) For now I would say - no any cross-platform 100% covering native. For me extremely important to be able to add native without troubles. Dart - is nothing about "without trouble".

                  4. SUPER poor community, a lot of noobs that will be copy-pasting official doc. Sometimes to find solution beside standard reference almost impossible or will get HUGE amount of time.

                  My own opinion: if you going to develop something very simple - Dart - might be solution, it's fast in developing and "idiot friendly" (BTW - if you look carefully on Dart itself, you might be seeing total paradigm compatibility to QML). The advantage of Flatter/Dart - very good implementation to Google services, it's in box from begin. If you going to develop something that require a little more then just getting JSON from server - definitely NO Dart at all. The promo of being "super fast UI" - is only if you using their precompiled UI components. In other case - super slow.

                  All of it my own experience of developing cross-platform applications. I've started cross-platform before mobile development based on Chromium Embedded https://en.wikipedia.org/wiki/Chromium_Embedded_Framework in 2012. We've been developing application based on WebUI for Windows and Linux. After it iOS native developing since iPhone 4, and now only Qt and sometimes native.

                  1 Reply Last reply
                  5
                  • tomyT Offline
                    tomyT Offline
                    tomy
                    wrote on last edited by
                    #26

                    Thanks all,

                    So to sum up, still QtQuick is better for mobile apps and the real winner. :)

                    ekkescornerE 1 Reply Last reply
                    0
                    • tomyT tomy

                      Thanks all,

                      So to sum up, still QtQuick is better for mobile apps and the real winner. :)

                      ekkescornerE Offline
                      ekkescornerE Offline
                      ekkescorner
                      Qt Champions 2016
                      wrote on last edited by JKSH
                      #27

                      @tomy the new 'Small Business License' will help to make the right decision: https://www.qt.io/blog/available-now-qt-for-small-businesses
                      now up to 250K $ revenue - only 499$ p.a. -- embedded, mobile, desktop -- up to 4 devs

                      ekke ... Qt Champion 2016 | 2024 ... mobile business apps
                      5.15 --> 6.8 https://t1p.de/ekkeChecklist
                      QMake --> CMake https://t1p.de/ekkeCMakeMobileApps

                      1 Reply Last reply
                      3
                      • edipE Offline
                        edipE Offline
                        edip
                        wrote on last edited by edip
                        #28

                        I use Qt for Android on Play Store. I usually use JavaScript to develop QML apps. I had to search for an alternative for these reasons;

                        • The most important reason, app size is too much. Hello World QML app takes more than 40 MB on Android, APK size is 13 MB+. Qt copies all QML modules to APK's assets folder and it also copies some unused libraries to libs folder. This increases APK size.
                        • Basic things like updating, editing, saving a dynamic list model in QML-JS are tedious for me.
                        • Learning c++ with Qt takes time :)
                        • There is not officially mobile advertising platform support (I use an open source project for Qt and Admob)
                        • QML development is too slow. QML 1.0 made Nokia N9's (2011) component seems more advanced than QQC2 Material component
                        • License for commercial is very expensive for me.

                        I try to learn Flutter with an Udemy course. Flutter has more native looking interface compared to React Native and Native Script. Flutter has less app size compared to QML apps. It can also be developed for Web. Qt's Web Assembly is too slow compared to Flutter Web. Its license is more free than Qt so I can have commercial apps. I think Dart libraries will increase in the near future.
                        Qt supports c++ and many Javascript libraries. This makes it easy to develop complex apps with Qt. I will continue to develop my complex projects with Qt. I have simple QML apps that are almost 90MB on Play Store. I think to convert them to Flutter in order to reduce app size. I think to use Flutter for simple apps for now.

                        tomyT T 2 Replies Last reply
                        1
                        • edipE edip

                          I use Qt for Android on Play Store. I usually use JavaScript to develop QML apps. I had to search for an alternative for these reasons;

                          • The most important reason, app size is too much. Hello World QML app takes more than 40 MB on Android, APK size is 13 MB+. Qt copies all QML modules to APK's assets folder and it also copies some unused libraries to libs folder. This increases APK size.
                          • Basic things like updating, editing, saving a dynamic list model in QML-JS are tedious for me.
                          • Learning c++ with Qt takes time :)
                          • There is not officially mobile advertising platform support (I use an open source project for Qt and Admob)
                          • QML development is too slow. QML 1.0 made Nokia N9's (2011) component seems more advanced than QQC2 Material component
                          • License for commercial is very expensive for me.

                          I try to learn Flutter with an Udemy course. Flutter has more native looking interface compared to React Native and Native Script. Flutter has less app size compared to QML apps. It can also be developed for Web. Qt's Web Assembly is too slow compared to Flutter Web. Its license is more free than Qt so I can have commercial apps. I think Dart libraries will increase in the near future.
                          Qt supports c++ and many Javascript libraries. This makes it easy to develop complex apps with Qt. I will continue to develop my complex projects with Qt. I have simple QML apps that are almost 90MB on Play Store. I think to convert them to Flutter in order to reduce app size. I think to use Flutter for simple apps for now.

                          tomyT Offline
                          tomyT Offline
                          tomy
                          wrote on last edited by tomy
                          #29

                          @edip

                          Hello World QML app takes more than 40 MB on Android

                          There might be a problem, say, building the app using "Debug", with the case, otherwise it shouldn't be that much for such a trivial app.
                          I have a good but basic game (2D) created using QtQuick with many features like, images, sounds, DB and other items working very good on all android devices. It's only 21MB. :)

                          edipE 1 Reply Last reply
                          1
                          • tomyT tomy

                            @edip

                            Hello World QML app takes more than 40 MB on Android

                            There might be a problem, say, building the app using "Debug", with the case, otherwise it shouldn't be that much for such a trivial app.
                            I have a good but basic game (2D) created using QtQuick with many features like, images, sounds, DB and other items working very good on all android devices. It's only 21MB. :)

                            edipE Offline
                            edipE Offline
                            edip
                            wrote on last edited by
                            #30

                            @tomy I tested an empty project with release mode ARMv8, the APK was 10.8 MB, after installation it is 44.3 MB on device on Qt 13.0. I was wrong about 13MB :) Your game's APK is 21MB or it is the size after installation?

                            J.HilkJ 1 Reply Last reply
                            0
                            • edipE edip

                              @tomy I tested an empty project with release mode ARMv8, the APK was 10.8 MB, after installation it is 44.3 MB on device on Qt 13.0. I was wrong about 13MB :) Your game's APK is 21MB or it is the size after installation?

                              J.HilkJ Offline
                              J.HilkJ Offline
                              J.Hilk
                              Moderators
                              wrote on last edited by
                              #31

                              important question @edip

                              did you sign the app with a legit key ? The debug information are not striped if its not signed, even in release mode


                              Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


                              Q: What's that?
                              A: It's blue light.
                              Q: What does it do?
                              A: It turns blue.

                              1 Reply Last reply
                              1
                              • edipE Offline
                                edipE Offline
                                edip
                                wrote on last edited by edip
                                #32

                                It was working before signing. After signing I get the error :D

                                Error: A JNI error has occurred, please check your installation and try again
                                Exception in thread "main" java.lang.UnsupportedClassVersionError: com/android/apksigner/ApkSignerTool has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0
                                	at java.lang.ClassLoader.defineClass1(Native Method)
                                	at java.lang.ClassLoader.defineClass(ClassLoader.java:757)
                                	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
                                	at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
                                	at java.net.URLClassLoader.access$100(URLClassLoader.java:74).
                                	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
                                	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
                                	at java.security.AccessController.doPrivileged(Native Method)
                                	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
                                	at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
                                	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
                                	at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
                                	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)
                                apksigner command failed.
                                

                                When I don't use Qt for a few months I get this kind of weird errors :) But as you said after signing, APK size reduced to 9.9 MB.
                                Edit: After uninstalling Android SDK Build Tools 30 rc2 version, it worked.

                                1 Reply Last reply
                                2
                                • edipE edip

                                  I use Qt for Android on Play Store. I usually use JavaScript to develop QML apps. I had to search for an alternative for these reasons;

                                  • The most important reason, app size is too much. Hello World QML app takes more than 40 MB on Android, APK size is 13 MB+. Qt copies all QML modules to APK's assets folder and it also copies some unused libraries to libs folder. This increases APK size.
                                  • Basic things like updating, editing, saving a dynamic list model in QML-JS are tedious for me.
                                  • Learning c++ with Qt takes time :)
                                  • There is not officially mobile advertising platform support (I use an open source project for Qt and Admob)
                                  • QML development is too slow. QML 1.0 made Nokia N9's (2011) component seems more advanced than QQC2 Material component
                                  • License for commercial is very expensive for me.

                                  I try to learn Flutter with an Udemy course. Flutter has more native looking interface compared to React Native and Native Script. Flutter has less app size compared to QML apps. It can also be developed for Web. Qt's Web Assembly is too slow compared to Flutter Web. Its license is more free than Qt so I can have commercial apps. I think Dart libraries will increase in the near future.
                                  Qt supports c++ and many Javascript libraries. This makes it easy to develop complex apps with Qt. I will continue to develop my complex projects with Qt. I have simple QML apps that are almost 90MB on Play Store. I think to convert them to Flutter in order to reduce app size. I think to use Flutter for simple apps for now.

                                  T Offline
                                  T Offline
                                  Tom_H
                                  wrote on last edited by
                                  #33

                                  @edip For mobile ads I use QtAndroidTools. It works very well. I use it for banner ads and will soon try the rewarded video thing.

                                  1 Reply Last reply
                                  1
                                  • edipE Offline
                                    edipE Offline
                                    edip
                                    wrote on last edited by edip
                                    #34

                                    Thanks for suggestion @Tom_H I also use it and I use banner ads. It was working 2 months ago all the time. But It recently doesn't work on my phone. Also banner of my Qt apps didn't work for other people's device in my country. As far as I see from the impressions, it works other countries. Maybe it is because of there is no suitable ad to display. Test ads work properly.
                                    Edit: The ads are working now .

                                    1 Reply Last reply
                                    0
                                    • EntonyE Offline
                                      EntonyE Offline
                                      Entony
                                      Banned
                                      wrote on last edited by
                                      #35
                                      This post is deleted!
                                      1 Reply Last reply
                                      0
                                      • tomyT tomy

                                        Hello all,

                                        Why do you think Qt Quick is better than Flutter for Android and iOS apps? What are the advantages and disadvantages of Qt Quick over Flutter for that area, please? How about apps for embedded devices by the two?

                                        I did a research on the Web for the case but couldn't find a comprehensive and good answer.

                                        Thanks beforehand.

                                        O Offline
                                        O Offline
                                        ofunk1
                                        wrote on last edited by
                                        #36

                                        @tomy said in Qt Quick vs Flutter:

                                        Hello all,

                                        Why do you think Qt Quick is better than Flutter for Android and iOS apps? What are the advantages and disadvantages of Qt Quick over Flutter for that area, please? How about apps for embedded devices by the two? Recently I needed to develop sports software for myself, I came across a post by https://www.cogniteq.com/blog/how-wearable-technology-changing-sports-industry company and they develop mainly in Flutter and their applications look great.

                                        I did a research on the Web for the case but couldn't find a comprehensive and good answer.

                                        Thanks beforehand.

                                        When comparing Qt Quick and Flutter app development for Android and iOS, it is important to consider the various factors that can affect the success of your project. Here are a few key points to consider:

                                        Benefits of Qt Quick apps for Android and iOS:

                                        Cross-Platform Compatibility: Qt Quick allows you to write code once and deploy it across multiple platforms, including Android and iOS, reducing development time and effort.
                                        Own performance. Qt Quick apps can achieve near-native performance on Android and iOS devices, delivering a smooth and fast user response.
                                        Mature Ecosystem: Qt has been around for a long time and has a mature ecosystem with extensive documentation, extensive libraries, and strong community support.
                                        C++ integration: Qt Quick provides seamless integration with C++ code, allowing developers to use existing libraries and tools to extend functionality.
                                        Custom UI Design: Qt Quick provides powerful tools for designing user interfaces with smooth animations, transitions and effects to create visually appealing applications.
                                        Disadvantages of Qt Quick apps for Android and iOS:

                                        Steeper learning curve: Qt Quick may have a steeper learning curve compared to Flutter, especially for developers who are not familiar with the Qt framework or C++ programming.
                                        Less extensive widget library. Although Qt Quick offers a number of UI components and controls, its widget library may not be as extensive as Flutter, which may limit the design options for some projects.
                                        Platform-specific considerations. Despite its cross-platform capabilities, Qt Quick may still require platform-specific adjustments and optimizations to ensure optimal performance and usability on Android and iOS devices.
                                        For embedded devices

                                        Qt Quick has been widely used for developing applications for embedded devices due to its small size, efficient performance, and support for hardware-accelerated graphics. It provides a robust foundation for building user interfaces for a variety of embedded platforms, including IoT devices, smart devices, in-vehicle infotainment systems, and more.

                                        In conclusion, while both Qt Quick and Flutter offer powerful tools for developing cross-platform applications, the choice between them depends on your project's specific requirements, technical knowledge and preferences. It's important to carefully evaluate the strengths and weaknesses of each platform to determine which one best suits your needs.

                                        sierdzioS 1 Reply Last reply
                                        0
                                        • O ofunk1

                                          @tomy said in Qt Quick vs Flutter:

                                          Hello all,

                                          Why do you think Qt Quick is better than Flutter for Android and iOS apps? What are the advantages and disadvantages of Qt Quick over Flutter for that area, please? How about apps for embedded devices by the two? Recently I needed to develop sports software for myself, I came across a post by https://www.cogniteq.com/blog/how-wearable-technology-changing-sports-industry company and they develop mainly in Flutter and their applications look great.

                                          I did a research on the Web for the case but couldn't find a comprehensive and good answer.

                                          Thanks beforehand.

                                          When comparing Qt Quick and Flutter app development for Android and iOS, it is important to consider the various factors that can affect the success of your project. Here are a few key points to consider:

                                          Benefits of Qt Quick apps for Android and iOS:

                                          Cross-Platform Compatibility: Qt Quick allows you to write code once and deploy it across multiple platforms, including Android and iOS, reducing development time and effort.
                                          Own performance. Qt Quick apps can achieve near-native performance on Android and iOS devices, delivering a smooth and fast user response.
                                          Mature Ecosystem: Qt has been around for a long time and has a mature ecosystem with extensive documentation, extensive libraries, and strong community support.
                                          C++ integration: Qt Quick provides seamless integration with C++ code, allowing developers to use existing libraries and tools to extend functionality.
                                          Custom UI Design: Qt Quick provides powerful tools for designing user interfaces with smooth animations, transitions and effects to create visually appealing applications.
                                          Disadvantages of Qt Quick apps for Android and iOS:

                                          Steeper learning curve: Qt Quick may have a steeper learning curve compared to Flutter, especially for developers who are not familiar with the Qt framework or C++ programming.
                                          Less extensive widget library. Although Qt Quick offers a number of UI components and controls, its widget library may not be as extensive as Flutter, which may limit the design options for some projects.
                                          Platform-specific considerations. Despite its cross-platform capabilities, Qt Quick may still require platform-specific adjustments and optimizations to ensure optimal performance and usability on Android and iOS devices.
                                          For embedded devices

                                          Qt Quick has been widely used for developing applications for embedded devices due to its small size, efficient performance, and support for hardware-accelerated graphics. It provides a robust foundation for building user interfaces for a variety of embedded platforms, including IoT devices, smart devices, in-vehicle infotainment systems, and more.

                                          In conclusion, while both Qt Quick and Flutter offer powerful tools for developing cross-platform applications, the choice between them depends on your project's specific requirements, technical knowledge and preferences. It's important to carefully evaluate the strengths and weaknesses of each platform to determine which one best suits your needs.

                                          sierdzioS Offline
                                          sierdzioS Offline
                                          sierdzio
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                                          wrote on last edited by
                                          #37

                                          @ofunk1 thank you, ChatGPT?

                                          (Z(:^

                                          J.HilkJ 1 Reply Last reply
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