Many many people on social media reporting Twitterriffic down too

From the source: https://twitter.com/Twitterrific/status/1613755585727447040

Hmm, 7 minutes after your post, my Twitteriffic still fails and is stuck on the "Sign in with Twitter" screen.

You were probably using an auth token that hadn't yet expired. If you reauthorize, it will probably fail.