App Crashes Only On Testflight Build

Question

I have created an app on swift and tested it extensively using iPhone 6, iPhone 6 plus and iPhone 5 devices and all the simulators offered in Xcode. The app runs fine and do

Answer 1

For anyone still having this issue, you can run this command to run it in release mode, the same when you archive a build. That way you can debug the issue easier:

react-native run-ios --configuration Release