How Does Apple Test Flight Work?
Working of Apple Test Flight
The overall working is simple as the developer needs to upload one of the latest beta builds of the app in the app store and the app developer needs to send that link to the various internal and external testers via the e-Mail address and also by providing a public link. As a tester, they need to accept the developer invitation and install the app by using the test flight app and must provide the feedback for the developers
App Store connect
It is a place for submitting an app for review, test, and publish it on the App Store. There are a lot of steps involved in this and one of those steps is testing the app using Test flight. In this only developers can invite tester to test the app.