Loops.video, the short-form video platform has finally launched, after weeks of delays. There is now an iOS app on TestFlight available, as well as an Android APK, and it there is no waitlist anymore. In some statistics shared by Loops developed Daniel Supernault, Loops now has more than 8000 people signed up and close to a 1000 videos posted.
I ran into the same issue you did. No verification email, and my login credentials won’t work on the app or on the website.