Apple has a facility named Testflight that allows you to distribute your apps to testers prior to releasing it to the App Store. You'll need to download the Testflight app, available from https://developer.apple.com/testflight/, to test your app. Your testers can be members of your internal team (internal testers) or the general public (external testers). Let's see how to allow internal team members to test your app first in the next section.
Testing your app
Testing your app internally
Internal testing is good when the app is in an early stage of development. It only involves members of your internal team. Apple does not review apps for internal testers. You can send builds to up to 25 testers for internal testing...