Apps like Gym Rest Timer

Here are some great alternatives to Gym Rest Timer by Really Simple Apps :

Gym Rest Timer

Boxing timer (stopwatch)

Boxing timer (stopwatch)

Crossfit timer - WOD timer

Crossfit timer - WOD timer

Interval Timer － HIIT Training

Interval Timer － HIIT Training

Sezzy Timer

Workout Exercise Chronometer

Workout Exercise Chronometer

Kettlebell Pentathlon

Kettlebell Pentathlon

Boxing Timer (Training Timer)

Boxing Timer (Training Timer)

Tabata Timer

Interval timer with music

Interval timer with music

Interval Timer - HIIT & Tabata

Interval Timer - HIIT & Tabata

Workout timer : Crossfit WODs

Workout timer : Crossfit WODs

Tabata timer: Interval workout

Tabata timer: Interval workout

Interval Timer: TRX, Tabata

Interval Timer: TRX, Tabata

GymACE: Workout Tracker

GymACE: Workout Tracker

Exercise Timer