Do you want a tool that check the design of the app in different screen sizes, right?
I never heard of something like this but if you find out please update your topic with this information. This would be veeeery helpful.
Actually, I Am Searching For a Website Or Software That CanTest Our App
I Also Search On Google About That But I Only Find websites That are only testing Web site Responsive testing Not For Apk
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To get reliable results, you definitely need to test on real devices. You can also use the Google Play Developer console “Pre-Launch report”, which creates screenshots of all tested screens of the app on 5-7 different devices (and Android versions) and displays them in the Pre-Launch report. I have been using this option for all my apps for many years.
By the way, the same applies to iOS, but there the emulator (simulator) is much better than Android.
The best way to make any app responsive is to design it for the smallest screen that is currently on the market; if it functions flawlessly on that screen, there won’t be any problems with it on larger screens.
For clarification:
I’ve made well over 1000 updates to the Google Play Store and Apple App Store over the past 10 years. And I know from bad experience that you can’t rely on virtual devices (emulators). You have to test it on REAL devices and also with different Fontsizes and Displaysizes in the device Settings.
Of course not. That’s why I have 19 Android test devices (mobile phones & tablets) from different manufacturers with different Android versions (4.x, 5.x, 7.x, 8.x, 9, 10, 11, 12 , 13), display sizes, resolutions etc. And the same for iOS.