It is painful is to wait until your App is approved, released and have been used by a significant number of users, in order to figure out what improvements need to take place for your app's usability.
It is painful to repeat the whole app submission process and test again.
Useberry helps you test and improve your app's UX Design. Get real-time results by uploading your app designs, create missions, and test Usability on real users. All you need is to upload your Prototypes.
Get the results of the user flows, clicks heatmaps, give up / bounce, time spent. See where your users struggle with completing your missions.