Interval Timer － HIIT Training

We’re proud to introduce this handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. This app is an awesome training timer, whether you're working on cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIIT, this interval timer will prove to be an invaluable asset for your HIIT interval training. And, Produced by Polycents.


This app can be used as HIIT timer, tabata timer, round timer, and anything else about interval training you want to track.

Running foreground, background or with device locked, Interval Timer allows you specify an overall time as well as program High/Low intensity interval and rest time between sets.

Key Features of Interval Timer:
- Customizable sets, high/low intensity interval and rest for your own need
- Continue to run even when screen is locked

Customizable Features of Interval Timer:
- Number of Sets
- Countdown Time
- Set Time
- Low Interval time
- High Interval time
- Rest Time
- First Interval (low or high)
- Sound Volume
- Timer Sounds
- Auto Lock
- Vibrate
- Pause during Rest
- New Each Set

This version is an ad-supported version, we also offer an ad-free version which is available as in-app purchase.

Permissions Used in Interval Timer
Storage: Interval Timer needs this permission to read musics in your phone once you choose to add a playlist.

If you have any problems or suggestions please feel free to contact us at [email protected], you'll get a response in a short time.

Recent changes:
Hello folks!
The keyword for today's update is a new design.
We have experienced two months of user experience upgrades, and we will continue to improve the design and experience of Interval Timer, I hope you will like it.

We'd love to hear your feedback! If you have any ideas or feature requests for future versions of the app, feel free to let us know. Please reach out to us at [email protected].