Workout Interval Timer: HIIT

Take control of your training with Workout Timer, a free flexible interval timer for HIIT, Tabata, Boxing, EMOM, Circuit Training and more — with workout statistics.

Build custom workouts in seconds:
- Create templates with work, rest, and prepare phases
- Set segment durations from seconds to hours
- Add rounds and cycles
- Reorder activities with drag and drop

Train without touching your phone:
- Large countdown with clear color cues
- Auto-progression through intervals and rounds
- Next activity preview and total progress tracking
- Accurate timing while the app runs in background

Stay focused with smart alerts:
- Sound alerts on transitions
- Vibration feedback
- Optional 3-2-1 countdown beeps
- Voice announcements for rounds

Save and reuse routines:
- Keep your favorite templates ready to start
- Pause, resume, or reset anytime
- Session recovery if you leave and reopen the app

Track your progress with statistics:
- Total workouts and workouts this week
- Weekly activity and monthly overview charts
- Current streak and best streak tracking
- Most-used workouts and top activities

Perfect for:
- HIIT and Tabata
- Boxing rounds and MMA conditioning
- CrossFit and EMOM workouts
- Circuit and bodyweight training
- Home workouts and coached classes

Whether you are a beginner or a coach, Workout Timer adapts to your routine so you can train consistently and improve over time.