Interval Timer: Workout, HIIT

In-app purchases
4,8
2,88K reviews
100K+
Downloads
Content rating
USK: All ages
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About this app

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

Wear OS Companion App:
- Always keep an eye on your workout, right on your wrist
- Control the timer on your watch
- Record your heart rate throughout your workout and analyze your heart rate zones, training intensity and calories burned in the phone app
- Transfer your saved timers to your watch and train completely without a connected phone

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.
Updated on
19 Sept 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

4,8
2,79K reviews
Nina Turner
09 September 2025
I like the fact I can save several different variations of timers as well as being able to see the total time of the workout. Also the get ready option is great and the fact I can adjust the volume of the beep separately to my mobile phone volume.
1 person found this review helpful
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Edward King
06 June 2025
brilliant but insane. It works great, but once I've started the timer it's impossible to go back and adjust the interval times, there's no 'settings' button, nothing, this is driving me insane, I might have to find another timer. Edit - I've found a way, I have to kill the app, open the app, and then press back button. Would be much easier if there was a settings button.
15 people found this review helpful
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Millie Kwan
07 June 2025
I downloaded 4,5 timers and this is by far the best. I use it for a 30 minutes yoga stretches. The clean interface is very nice to read. The chimes are soothing to hear. The best part for me is the app will resume to where you left off if you've closed the app. No ads at all One thing I want is if I can sync my data between 2+ devices. I paid to support the devs. Thanks guys!
3 people found this review helpful
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MDev Mobile Apps
21 June 2025
Hi Millie, thank you very much for your review. I'm glad you like the app :)

What's new

- Saved timers can now be transferred to the Wear OS Companion app. This allows you to train completely without a phone (phone and smartwatch app update required)
- Heart rate zones can now be displayed in the Wear OS app during training
- Adjustments for Android 15
- General improvements and bug fixes