Perf - Workout Timer Trainer

Workout Timer Trainer is an interval timer for exercise sessions that use timed work and rest periods.

Create a session by choosing workout duration, rest duration, and number of rounds. The app shows a large countdown for workout and rest phases so it is easy to follow during training.

Features:
- Custom workout, rest, and round settings
- Presets for HIIT, beginner training, and intense sessions
- Large countdown display for active and rest phases
- Pause, resume, stop, and skip-to-next-phase controls
- Optional sound and vibration feedback
- Session completion summary
- Local statistics for sessions, workout minutes, streak, and recent workouts
- Light and dark theme support

Use it for HIIT, boxing rounds, circuit training, sport clubs, group coaching, home workouts, stretching routines, and daily fitness habits.

The app stores preferences and workout statistics locally on your device using Android DataStore. It does not require an account.