Circuit Timer vs Interval Timer · HIIT & Yoga

Build custom interval training circuits and run them with precision timing, voice announcements, and haptic feedback. CREATE YOUR PERFECT WORKOUT Design circuits with unlimited intervals, each with its own name, duration, and alarm sound. Set loop counts on individual intervals or the entire circuit. Choose from 24 alarm sounds, enable voice countdown, or both. STAY IN THE ZONE A full-screen player with a progress ring, countdown timer, and interval timeline keeps you focused. The last 3 seconds pulse to keep you ready for what's next. Voice announcements call out interval names so you never have to look at your screen. NEVER MISS A BEAT Live Activities put your timer on the Lock Screen and Dynamic Island. Background notifications keep you on track even when you switch apps. Start circuits hands-free with Siri. APPLE WATCH Run circuits from your wrist with real-time heart rate zones, active calories, and haptic alerts. Your watch keeps going even when the screen dims with Always-On Display support. TRACK YOUR PROGRESS View workout history with streaks, completion stats, and total training time. Save workouts to Apple Health as High Intensity Interval Training sessions. FREE TO START - 1 circuit with full features — alarms, haptics, voice, history CORE UPGRADE - Unlimited circuits - iCloud sync across devices - Apple Health integration PRO UPGRADE - Everything in Core - Apple Watch companion app Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Build any interval workout in a minute, or describe it and let AI build it for you — free, no account. Then put your phone down and train — the timer handles the countdowns, the cues, the music, and your history. Boxing rounds, HIIT, Tabata, yoga flows, kettlebell circuits, mobility sessions — one timer runs them all, on iPhone, Apple Watch, Apple TV, and any AirPlay-compatible screen. Live heart rate on the iPhone and on the TV when you cast. One-time purchase. No subscription. No ads. No tracking. $4.99 at launch, $7.99 regular price. Pay once and the app is yours — every feature, every device, forever. Built for everyone who's tired of timers that pause your music between intervals, lock saved routines behind a paywall, or interrupt your workout with full-screen ads you can't close. — BUILD ANY WORKOUT — • Custom routine builder: stack cards of work intervals and rest • Drag to reorder • Large library of exercise icons so every card is recognizable mid-set • Color-coded cards: lime, coral, lavender, peach, mint, sky and more • Built-in gallery of HIIT, Tabata, cardio, mobility, combat, sports, and outdoor routines — clone and customize — DURING THE WORKOUT — • Full-screen live timer with a preview of the next card • Configurable pre-roll "get ready" countdown • Audio cues at halfway, ten-seconds-out, and final three seconds • Per-card cue overrides — silence individual phases without touching the rest • Distinct haptic patterns for each cue — feel timing through gloves or headphones • Keep-screen-awake setting • Pair an Apple Music playlist to a routine — plays, pauses, resumes alongside the timer • HealthKit logging with the right workout type (HIIT, strength, yoga, cycling, and more) — HISTORY & STATS — • Seven-week activity heatmap. Tap any day to drill in. • Current and all-time-best streaks; total sessions; total minutes • Full session history — completed, abandoned, or paused — APPLE ECOSYSTEM — • Apple Watch app: start, pause, end from your wrist, with live heart rate • Phone ↔ Watch mirroring — start on one, finish on the other • Apple TV app for the big screen, driven by the Siri Remote • AirPlay to any compatible TV for a full-screen workout dashboard • Live heart rate from your Apple Watch shown on the iPhone timer and on the TV when casting • Live Activity and Dynamic Island for the active timer • Home Screen and Lock Screen widgets for one-tap routine launch • iCloud sync across iPhone, iPad, Apple Watch • Background audio stays on — the timer never goes silent — SHARE — • Generate a shareable workout link for any routine • Friends open it in a browser and import in one tap — CUSTOMIZE — • Light and dark mode • In-app language switching: English, German, Spanish, Brazilian Portuguese • Granular sound pickers for start, end, per-phase cues