I'm using TestFlight to test an iOS app. For my first testable version I only invited 5 friends, of which only 2 installed the app. I'm not sure if the others got the email but I just assumed they did and ignored it.
Yesterday I submitted a new version and invited another 10 or so people. I noticed today that only the original 2 people installed the new app so I contacted 3 or 4 of the new testers and nobody has seen an email invite yet.
I read that turning off testflight, then turning it back on, would force emails to be sent. I tried that, still no joy.
Am I missing something? I have a hard time believing this is a TestFlight bug or we'd be hearing a lot more about it, right?
I see a similar question was closed as "not about programming". But this is very much about the iOS development process... I can't "program" an iOS app without getting it out for testing.
It depends where you add the users...
If you add them through "Users & Roles>TestFlight Beta Testers>External" then they are invited to test the app but not invited to the pre-release build.
If you add them through "My Apps>Your app name>Prerelease>External Testers" and tap + then you can choose to "Add New Testers" which both invites new testers to your app and adds them to the pre-release.