Interval Timer: Workout, HIIT

In-app purchases
4.6
2.74K reviews
100K+
Downloads
Content rating
PEGI 3
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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 entire workout and analyze your heart rate zones 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
Aug 7, 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

4.7
2.66K reviews
Nina Turner
September 9, 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.
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Alexander Stolyarenko
September 13, 2025
Costs like a wing of a plane while does nothing. Can not save a single timer without a subscription.
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MDev Mobile Apps
September 13, 2025
This ist not true. You can save unlimited simple timers without paying anything. The app is completely without ads but developing an app costs a lot of time and money. Should I work for free? Do you work for free? I wonder if you also go into a normal store and say I want everything for free 🤔
Joshua Dylan Malco
August 17, 2025
Great app! Very functional and simple to use. Although, I have one suggestion for the developers: can you update the UI into a Material 3 Expressive vibe? I would LOVE and highly appreciate if you can incorporate that into the app. Would definitely give a 5 star for it. Thanks!
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MDev Mobile Apps
August 18, 2025
Hi Joshua, thanks for your review. I'm glad you like the app. Material 3 Expressive is definitely planned 🙂

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