The best alternatives to Gym Rest Timer are wnr, Timed, and Take a Break. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Gym Rest Timer?
AssemblyAI— Speech-to-Text API with superhuman accuracy
In short, I don't think there has been a timer software that is both GOOD-LOOKING, EASY-TO-USE, CROSS-PLATFORMED and has a STRONG ENOUGH fullscreen focus mode, until wnr is here. What's the best of all? It's amazingly FREE, no charge, no in-app purchase.
Timed is an interval-based workout timer app. You can set workout and rest time as you workout, or create pre-defined workout sessions. It also has a companion Apple Watch app that displays readings like calories, heart rate, workout name, current set, etc.
Workout app built for people who know what they are doing. Build your own voice-guided workouts and listen to your own stuff while exercising Plan your workouts for the week and never ask "What do i train today?" Track your progress and adjust your plan