Download Interval Timer: Workout, HIIT APK for Android

All-purpose timer for activities like HIIT (High intensity interval training), Tabata, Fitness, Workout, Sports, Running, Cardio, Stretching, Yoga, Meditation, Boxing, Kickboxing, Circuit training and other interval training.

Features:
- Simple mode for quick configuration
- Advanced mode for custom timers
- Save own timer presets to start your workout right away
- Text to speech: Hear which exercise comes next
- Control the timer from notifications & lock screen
- Statistics: Set a weekly goal, track your progress, check your active days
- Record your heart rate throughout your entire workout and analyze your heart rate zones (Wear OS companion app required)

Wear OS Companion App:
- Always keep an eye on your workout, right on your wrist
- Control the timer on your watch

Privacy friendly:
- No registration
- No ads
- No internet connection required
- All data is saved locally on the device

***** Important Note *****
Some devices (especially Huawei, Xiaomi, Samsung, OnePlus) have a very aggressive energy-saving mode. Due to this, background processes are quickly terminated. Therefore, it is necessary to disable the energy-saving mode for this app. Please note that further settings may also be necessary depending on the device.

Permissions:
- Phone status: The "Pause timer on incoming calls" feature requires the permission to read the phone status on Android 12 and above. If you want to use this feature, you can grant this permission in the app's settings.