Interval Assistant: Timer

Interval Assistant is a powerful workout timer for HIIT, tabata, boxing, running and strength training — your ultimate companion to optimize every training session and reach your fitness goals. Set customized intervals for a wide range of activities, with full control over countdown, work, and rest durations for every exercise.

Track your progress over time with a built-in workout history and calendar: see every session you've completed, keep your streak going, and compare each workout to your last effort. Add a quick note after any session to remember how it felt or what to change next time. Get an estimated calorie burn for every completed workout based on your body weight and effort.

Built your perfect routine? Share it with a friend with one tap, or import a workout someone sent you — no account or sign-up needed.

Whether you're a seasoned athlete or just starting out on your fitness journey, Interval Assistant provides the flexibility and precision you need to tailor your workouts to your specific needs. The intuitive interface lets you effortlessly create, save, and reuse interval routines. A background timer with audio cues keeps you on track even with the screen off.

KEY FEATURES
- Custom work and rest intervals for any workout
- Presets for HIIT, tabata and EMOM
- Configurable sets and rounds
- Voice and sound alerts
- Workout history, calendar and streak tracking
- Estimated calorie burn per session
- Share and import routines — no account needed
- Background timer with audio cues, works with screen off
- Clean, intuitive interface — fully offline

Take control of your workouts, push your limits. Download Interval Assistant now and start redefining your fitness routine today!

Recent changes:
Now the app speaks your language: German, Spanish, French, Portuguese, Hindi, and Ukrainian have been added.

- Updated editor — set up exercises, rests, and rounds faster
- Updated workout screen — clearer controls while training
- Workout cards now show the date you last completed them
- Minor visual improvements and fixes