Interval Timer | Cero
HIIT, Tabata Workouts and Yoga
Free · In-App Purchases · Designed for iPad
Cero is the interval timer you were waiting for! It will enhance your workouts: HIIT, Tabata, running, yoga, WOD, strength training, MMA, stretching, circuit training, boxing...
INTUITIVE AND EASY TO USE
A neat design and a hugely intuitive interface to make your User Experience absolutely great!
SIMPLE AND ADVANCED TIMER MODES
Two different timer modes. Set them up in just a few seconds. You'll be able to choose between the simple mode (the most popular and easy to configure). Or the advanced one, which is thought for those of you who need a highly customized experience.
CLEAR INTERFACE
Everything is thought to give you the maximum customization in your timers, without driving you crazy.
CREATE YOUR OWN CUSTOM INTERVALS
You'll be able to create your own intervals. Just choose the icon it represents the most, the color, and the calorie expenditure level.
SAVE MULTIPLE WORKOUT TIMER SETTINGS
Just create and save as many timers as you need, without limitations!
AVAILABLE FOR YOUR APPLE WATCH
Cero is also compatible with Apple Watch, and it even has a heart monitor! Great for all those outdoor activities that require having the count of intervals.
CALORIE TRACKER
The calorie expenditure of each workout will be saved into Apple Health automatically!
SYNC BETWEEN DEVICES
Cero automatically syncs your timers and settings across all your devices! Forget about having to configure, again and again, your interval timers.
PEOPLE LOVE CERO!
With a 4.8 stars average worldwide and tens of thousands of users using it frequently!
"The High-Quality Timer I needed. Man, this is such a well made app. Intuitive, simple when it needs to be, complex (but not complicated) when needed as well."
-Bobthetheman
"Great app! Cero keeps me on track toward my fitness goals. Download it. Use it. See the change."
-Karina_Soto
"Great HIIT timer! Wonderful app with beautiful UI, easy to use, and maintained by an attentive developer. Keep up the good work"
-mjeshurun
"Everything you need from a timer. This app is simple and gives me everything I was looking for. Great timer for HIIT training."
-Hubert Z.
Feedback and suggestions: support@cero.app
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
- Solve minor issues
The developer, Flawless Studio LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Flawless Studio LLC
- Size
- 38 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 12.0 or later.
- iPhone
Requires iOS 12.0 or later. - iPad
Requires iPadOS 12.0 or later. - iPod touch
Requires iOS 12.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 4.0 or later.
- Languages
English and 19 more
- English, Arabic, Danish, Finnish, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Cero Pro 3,99 €
- Copyright
- © 2025 Flawless Studio