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Qt Quick vs Flutter

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  • tomyT Offline
    tomyT Offline
    tomy
    wrote on last edited by
    #1

    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.

    sierdzioS T O 3 Replies Last reply
    1
    • 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.

      sierdzioS Offline
      sierdzioS Offline
      sierdzio
      Moderators
      wrote on last edited by
      #2

      @tomy said in Qt Quick vs Flutter:

      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?

      IMO none is a clear winner. Flutter is still a "baby", but it is growing fast. Qt has the advantage of working on more platforms, but has inferior licensing, is somewhat harder to set up and produces bigger binaries (on mobiles I mean). For Qt developers, QtQuick is a good choice because they already know it, and it integrates with C++ backend seamlessly.

      (Z(:^

      tomyT 1 Reply Last reply
      3
      • sierdzioS sierdzio

        @tomy said in Qt Quick vs Flutter:

        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?

        IMO none is a clear winner. Flutter is still a "baby", but it is growing fast. Qt has the advantage of working on more platforms, but has inferior licensing, is somewhat harder to set up and produces bigger binaries (on mobiles I mean). For Qt developers, QtQuick is a good choice because they already know it, and it integrates with C++ backend seamlessly.

        tomyT Offline
        tomyT Offline
        tomy
        wrote on last edited by
        #3

        @sierdzio

        Thank you for your fair reply.
        If both QtQuick and Flutter are new for a person and he/she is aiming at choosing one of them for creating various apps for Android, iOS and Embedded platforms, and wants to continue programming on this way to be a great developer in the future, which one would you suggest to him/her to start with, please?

        Or, which one would you choose if you were him/her, please?
        I'm sure the languages they use (C++ and Dart) are different and may have a large impact on the performance of the resulting apps. Isn't it?

        1 Reply Last reply
        0
        • sierdzioS Offline
          sierdzioS Offline
          sierdzio
          Moderators
          wrote on last edited by
          #4

          I don't know enough to say.

          All people I know of who tried Flutter have said "it's great, but...". Most people will say the same about Qt. I don't know.

          Flutter is backed by a bigger company. Dart is really fast and Flutter's architecture is very performance-oriented, too (no need to be concerned about performance much, I think). So for newbies I'd probably suggest Flutter. Qt is great, but C++ is hard, especially in the beginning. And here you have to learns QML, Qt and C++ (and certain platform quirks) so I think it's not too attractive for beginners.

          (Z(:^

          tomyT 1 Reply Last reply
          1
          • sierdzioS sierdzio

            I don't know enough to say.

            All people I know of who tried Flutter have said "it's great, but...". Most people will say the same about Qt. I don't know.

            Flutter is backed by a bigger company. Dart is really fast and Flutter's architecture is very performance-oriented, too (no need to be concerned about performance much, I think). So for newbies I'd probably suggest Flutter. Qt is great, but C++ is hard, especially in the beginning. And here you have to learns QML, Qt and C++ (and certain platform quirks) so I think it's not too attractive for beginners.

            tomyT Offline
            tomyT Offline
            tomy
            wrote on last edited by
            #5

            @sierdzio

            All people I know of who tried Flutter have said "it's great, but...".

            It's great but what? I think that might be an important point about Flutter from the standpoints of those who have experienced it.

            And one side question. Do you think if the situation carries on this way, Qt devs (those who use it for mobile and embedded devices) will change their direction in favor of Flutter?

            sierdzioS 1 Reply Last reply
            0
            • tomyT tomy

              @sierdzio

              All people I know of who tried Flutter have said "it's great, but...".

              It's great but what? I think that might be an important point about Flutter from the standpoints of those who have experienced it.

              And one side question. Do you think if the situation carries on this way, Qt devs (those who use it for mobile and embedded devices) will change their direction in favor of Flutter?

              sierdzioS Offline
              sierdzioS Offline
              sierdzio
              Moderators
              wrote on last edited by
              #6

              @tomy said in Qt Quick vs Flutter:

              @sierdzio

              All people I know of who tried Flutter have said "it's great, but...".

              It's great but what? I think that might be an important point about Flutter from the standpoints of those who have experienced it.

              Usually they mention some small quirks :P I don't remember anything specific. My point was that both Qt and Flutter have their problems as of now.

              And one side question. Do you think if the situation carries on this way, Qt devs (those who use it for mobile and embedded devices) will change their direction in favor of Flutter?

              It may happen. Qt Company seems to be totally uninterested in mobile platforms, development on this front is very slow. Flutter can easily and quickly overtake Qt, plus it has easier licensing. In company I work for we are considering switching to Flutter for mobile-only projects. But again, at this point, no actual decision was made.

              (Z(:^

              1 Reply Last reply
              5
              • tomyT Offline
                tomyT Offline
                tomy
                wrote on last edited by
                #7

                @sierdzio

                Ow, that's shocking!
                I wish C++ could save Qt against Flutter! It's also sad that Qt company doesn't care enough about mobile and embedded apps!

                Thank you for your replies.

                sierdzioS 1 Reply Last reply
                0
                • tomyT tomy

                  @sierdzio

                  Ow, that's shocking!
                  I wish C++ could save Qt against Flutter! It's also sad that Qt company doesn't care enough about mobile and embedded apps!

                  Thank you for your replies.

                  sierdzioS Offline
                  sierdzioS Offline
                  sierdzio
                  Moderators
                  wrote on last edited by
                  #8

                  @tomy said in Qt Quick vs Flutter:

                  and embedded apps!

                  I have not said that. The main focus of QtC is on embedded right now, it seems.

                  (Z(:^

                  tomyT 1 Reply Last reply
                  3
                  • sierdzioS sierdzio

                    @tomy said in Qt Quick vs Flutter:

                    and embedded apps!

                    I have not said that. The main focus of QtC is on embedded right now, it seems.

                    tomyT Offline
                    tomyT Offline
                    tomy
                    wrote on last edited by
                    #9

                    @sierdzio

                    QtC? It's the first time I hear that. Do you mean using the C language (instead of C++) with Qt to create apps for embedded devices?

                    KroMignonK 1 Reply Last reply
                    0
                    • tomyT tomy

                      @sierdzio

                      QtC? It's the first time I hear that. Do you mean using the C language (instead of C++) with Qt to create apps for embedded devices?

                      KroMignonK Offline
                      KroMignonK Offline
                      KroMignon
                      wrote on last edited by
                      #10

                      @tomy said in Qt Quick vs Flutter:

                      QtC?

                      I think QtC ==> Qt Company :)

                      It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. (Sherlock Holmes)

                      sierdzioS 1 Reply Last reply
                      3
                      • tomyT Offline
                        tomyT Offline
                        tomy
                        wrote on last edited by tomy
                        #11

                        Thank you all.
                        So to sum up we can say that:
                        For desktop apps: Qt
                        For mobile apps: Flutter
                        For embedded programming: C & C++ (used in QtQuick for instance)

                        are best choices for now to pick up.
                        Anyone disagree, please?

                        ODБOïO 1 Reply Last reply
                        0
                        • tomyT tomy

                          Thank you all.
                          So to sum up we can say that:
                          For desktop apps: Qt
                          For mobile apps: Flutter
                          For embedded programming: C & C++ (used in QtQuick for instance)

                          are best choices for now to pick up.
                          Anyone disagree, please?

                          ODБOïO Offline
                          ODБOïO Offline
                          ODБOï
                          wrote on last edited by ODБOï
                          #12

                          @tomy said in Qt Quick vs Flutter:

                          For mobile apps:Flutter

                          i would go with Felgo

                          tomyT 1 Reply Last reply
                          0
                          • KroMignonK KroMignon

                            @tomy said in Qt Quick vs Flutter:

                            QtC?

                            I think QtC ==> Qt Company :)

                            sierdzioS Offline
                            sierdzioS Offline
                            sierdzio
                            Moderators
                            wrote on last edited by
                            #13

                            @KroMignon said in Qt Quick vs Flutter:

                            @tomy said in Qt Quick vs Flutter:

                            QtC?

                            I think QtC ==> Qt Company :)

                            Yes, I have meant Qt Company.

                            (Z(:^

                            1 Reply Last reply
                            0
                            • ODБOïO ODБOï

                              @tomy said in Qt Quick vs Flutter:

                              For mobile apps:Flutter

                              i would go with Felgo

                              tomyT Offline
                              tomyT Offline
                              tomy
                              wrote on last edited by
                              #14

                              @LeLev

                              Felgo, unlike Qt open-source, gives you almost nothing freely. :(

                              sierdzioS 1 Reply Last reply
                              0
                              • tomyT tomy

                                @LeLev

                                Felgo, unlike Qt open-source, gives you almost nothing freely. :(

                                sierdzioS Offline
                                sierdzioS Offline
                                sierdzio
                                Moderators
                                wrote on last edited by
                                #15

                                @tomy said in Qt Quick vs Flutter:

                                @LeLev

                                Felgo, unlike Qt open-source, gives you almost nothing freely. :(

                                They have to eat something ;-)

                                Plus, then it comes to mobiles, Qt on iOS is not free anyway (and using LGPL on Android is tricky, too).

                                (Z(:^

                                1 Reply Last reply
                                3
                                • ekkescornerE Offline
                                  ekkescornerE Offline
                                  ekkescorner
                                  Qt Champions 2016
                                  wrote on last edited by
                                  #16

                                  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

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

                                  tomyT 1 Reply Last reply
                                  8
                                  • sierdzioS Offline
                                    sierdzioS Offline
                                    sierdzio
                                    Moderators
                                    wrote on last edited by
                                    #17

                                    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.

                                    (Z(:^

                                    ekkescornerE 1 Reply Last reply
                                    0
                                    • 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.

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