In the following tutorial, check out how to update iPhone apps on iOS 13. The procedure was performed on an iPhone XR, but the tips also apply to other Apple phone models with the latest version of the system, which is available for iPhone. 6S and higher.
Step 1. Open the App Store and tap on your profile picture in the upper right corner of the screen;
Step 2. Swipe down to look for new app versions. To install the update, simply tap "Update" to the right of the app name or "Update All" just above the list of available update apps.
Ready! That way, you can install iPhone app updates with iOS 13.