HIIT Interval Timer | Cero vs New Interval Timer

Build an interval workout around the way you train. Cero is a flexible interval timer for HIIT, Tabata, circuit training, WODs and HYROX preparation. Set up a quick work/rest timer or program each interval in detail. Distinct colors, large controls and reliable cues keep you focused on the session instead of the clock. BUILD YOUR SESSION • Set work, recovery, sets, warm-up and cool-down. • Create advanced workouts with custom intervals, colors, icons and intensity levels. • Save, duplicate and reorder timers. • Share timers by file or QR code. • Review completed sessions in workout history. STAY IN THE WORKOUT • Follow compatible sessions with Live Activities and Dynamic Island. • Start saved or recent timers from Home Screen widgets. • Use Siri and Shortcuts to start, pause, resume and stop a timer. • Put Gym Display on a larger screen or mirrored TV. • Choose a default song or assign music to individual intervals. • Customize sounds, voice cues, vibrations and background alerts. TRAIN BY HEART RATE Adaptive HR can extend recovery until you reach your target heart rate, then guide hard efforts with low and high alerts. Pair a Bluetooth heart-rate monitor with iPhone or train with heart-rate data from Apple Watch. COUNTDOWN AND STOPWATCH The built-in countdown and lap stopwatch cover warm-ups, station changes, rest periods and race-day practice. Stopwatch sessions continue after you close and reopen the app. ON APPLE WATCH Run saved workouts from your wrist, follow heart rate and use the standalone countdown and stopwatch. Cero can save completed workouts and estimated calories to Apple Health. Automatic iCloud backups help protect saved timers and custom intervals. Useful for HIIT, Tabata, circuits, EMOM-style workouts, boxing rounds, strength and conditioning, indoor cycling, running intervals and hybrid race preparation. Feedback and suggestions: hi@flawless.studio Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Take the complexity out of your workout setup. This app is the cleanest, most intuitive interval timer designed to keep you focused on your performance, not your phone. Whether you are crushing a HIIT session, practicing Tabata, boxing, or just need a reliable countdown for circuit training, the minimalist design ensures you can set up and start moving in seconds. Why You Will Love It Effortless Setup Forget digging through endless menus. Use the large, clear controls to adjust your Work Duration, Rest Duration, and Total Rounds instantly. High-Contrast Display Designed with a sleek dark interface and large typography, you can read your timer from across the room. The circular progress ring gives you a quick visual cue of how much time is left in your set. Distraction-Free Zone No clutter and no unnecessary features. Just a precise, reliable timer that helps you get the work done. Key Features Quick Start: Set your Work, Rest, and Rounds and hit Start. Smart Controls: Pause, resume, or skip intervals with ease. Visual Progress: A clear progress ring tracks your current interval visually. Workout Summary: Get a confirmation screen when you complete your full circuit. Battery Friendly: The dark interface is efficient and easy on the eyes. Perfect For High-Intensity Interval Training (HIIT) Tabata and Circuit Training Boxing and MMA Rounds Yoga and Stretching Home Workouts and Calisthenics Stop wasting time setting up your timer. Download today and make every second count. Terms of Use: https://umutyenidil.com.tr/free-interval-timer/terms-of-use Privacy Policy: https://umutyenidil.com.tr/free-interval-timer/privacy-policy