Interval Timer: Workout, HIIT

In-app purchases
4.7
2.68K reviews
100K+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

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
7 Aug 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

4.6
2.6K reviews
Cici Williams
1 May 2025
Great, until I tried to add more intervals to a workout. It let me do this and only when I went to save did it inform me that I had to pay $7 for the privilege. Now, I don't mind premium features being paywalled. Devs have to make money too! But if you're going to do it, be upfront about it. Don't let users waste their time. I've bought the premium versions of apps before, and if I'd known the limits going in, I might have purchased this one. Instead, I'm uninstalling and finding something else.
3 people found this review helpful
Did you find this helpful?
MDev Mobile Apps
1 May 2025
The info is right in the middle of the screen. The app allows to almost try everything for free. But you have to read the information which is on the screen.
J P
5 March 2023
I'm glad I found the soft bell setting! The default is aggressive and grating, and for some reason it won't turn down on my phone (it's a Samsung Android.) Anyway I need this app for basic 30 second workout/rest intervals, and it's just perfect! I also appreciate that the app doesn't collect my data, as others do.
26 people found this review helpful
Did you find this helpful?
MDev Mobile Apps
5 March 2023
Hi J P, thank you very much for your review. I'm glad you like the app. Best regards Matthias :)
Joshua Dylan Malco
17 August 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!
Did you find this helpful?
MDev Mobile Apps
18 August 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