Interval Timer | Cero: The Ultimate Precision Tool for Your High-Intensity Training

Name: Interval Timer | Cero
Availability: InStock
Rating: 4.8 (4000 reviews)

Experience a minimalist design that pairs perfectly with your Apple Watch. Whether it is HIIT, Tabata, or Yoga, customize every interval and sync your progress effortlessly with Apple Health.

Publisher

Flawless Studio LLC

Designed for the Driven

Discover the interface used by 89K+ users.

Cero app interval timer interface on iPhone with simple and clean design

Interface of the Cero app on an iPhone showing a custom interval timer setup with high and low intensity segments

Cero interval timer app on Apple Watch with sync button and workout modes

Smartphone screen showing the Cero app interface for setting up a simple HIIT interval timer with low and high intensity durations.

Customizable workout interval timer interface on an iPhone showing different training phases.

Cero interval timer app screen showing workout timer and set controls

List of Cero Interval Timer features including Apple Health integration and calorie tracker

Elevate Your Training Experience

The tools that make this app stand out, trusted by 89K+ users.

⚡

Intuitive Fast-Start

Get straight to your workout with a clean interface that lets you configure complex HIIT or Tabata sessions in just a few taps.

⌚

Apple Ecosystem Mastery

Monitor your heart rate on your Apple Watch and automatically log every calorie burned directly into your Apple Health dashboard.

🎯

Pro-Level Customization

Build and save unlimited custom routines for MMA, Yoga, or Strength training with personalized colors and intensity tracking.

Loved by users worldwide

Trusted by 89K+ people who love this app.

"As an urban professional juggling HIIT and MMA, Cero is exactly what I needed. The cross-device sync is seamless, allowing me to build complex circuits on my iPad and have them instantly ready on my Apple Watch. It is the most intuitive and aesthetically pleasing timer on the market, fitting perfectly into my Apple-centric lifestyle."

Marcus Thorne

"I am obsessed with the clean design and the Apple Health integration. Seeing my calorie expenditure and heart rate sync automatically keeps me motivated during my Tabata sessions. It is rare to find an app that balances advanced customization with such a user-friendly interface. Cero is now a permanent part of my fitness routine."

Elena Rodriguez

About the app

Everything you need to know about Interval Timer | Cero.

Description

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

Latest Version

3.7.3

Size

36.3 MB

First Released

Jul 15, 2017

Ready to Optimize Every Second?

Join 89,000+ athletes using the most intuitive interval timer on iOS. Seamlessly sync with Apple Watch and Health to crush your next HIIT session.

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