Interval Timer for HIIT | Cero vs Watch HR

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/

Overview ** WatchHR works with both the SquadHR and TeamHR apps on iPhone or iPad. WatchHR lets you transmit heart rate data from your Apple Watch, replacing the need for a Bluetooth heart rate sensor. It sends your heart rate to the SquadHR or TeamHR app on an iPhone or iPad, where it can be displayed on a large TV. Now you can easily share your heart rate in group fitness classes or team practice sessions—using just your Apple Watch! You can download SquadHR for iPhone on the App Store here: https://apps.apple.com/app/id6468002688 You can download TeamHR for iPhone on the App Store here: https://apps.apple.com/app/id6739381886 Features - Works just like a Bluetooth heart rate sensor with the SquadHR and TeamHR apps - Runs independently on your Apple Watch—no companion iPhone app required! - Provides a stable Bluetooth connection from your Apple Watch to the SquadHR or TeamHR app - Sends heart rate data to SquadHR on your trainer's device, or to TeamHR on your coach's device - Displays real-time heart rate (BPM), heart rate zone (color-coded), training load (% max HR), active energy (Cals), training score (TRIMP), time in zone, and session duration - Provides recovery and maximum heart rate zone transition alerts - Shows a status indicator for the connection to the SquadHR and TeamHR apps - Option to save workouts to the Apple Health app Install Install WatchHR on your Apple Watch without searching the App Store (recommended): 1. Text the WatchHR link to yourself (or open one sent by your trainer or coach). https://apps.apple.com/app/id6783612023 2. On your Apple Watch, open Messages and tap the link. 3. Tap Get to install. Tip: Tap the link on the watch, not the iPhone. Setup Set up WatchHR to work with the SquadHR or TeamHR app: 1. Launch WatchHR on your Apple Watch, then swipe left to the Settings screen. 2. Note the 5-character Apple Watch ID and send it to your trainer or coach. They'll add it to your profile in the SquadHR or TeamHR app. 3. Swipe right back to the Start screen and tap the Start button. 4. Once a session starts in the SquadHR or TeamHR app, WatchHR connects automatically and your heart rate appears on the scoreboard. 5. Tap the left progress button to view your active energy or training score. 6. Tap the right timer button to view your session duration or time in zone. 7. To end the session from your Apple Watch, swipe right and slide the End button.