Best I found
Admittedly I'm not spending my days looking for the optimum timer app but this one is the best I found after downloading a few duds. Very simple and functional.
Not enough ratings yet to assess ProtoFit.
ProtoFit: Timer for Workouts is no longer available in the App Store. AppsHunter Legitimacy Score for ProtoFit is 35/100.
Based on 35 of 100 points across 7 verification signals from App Store and developer data.
Score capped because this app is no longer listed.