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.


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

// Option A //

To download Interval Timer － HIIT Training mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Interval Timer － HIIT Training mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Interval Timer － HIIT Training from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Interval Timer － HIIT Training in HappyMod App.