Circuit Timer vs Interval Timer

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/

Whether you're doing Tabata in the gym, HIIT in your living room, or a custom circuit on the track — Interval Timer keeps you focused on the work, not the screen. READY IN SECONDS Built-in presets for Tabata, HIIT, and EMOM mean you can go from zero to working out in one tap. No setup. No guesswork. Just pick a preset and start. BUILT AROUND YOU Create and save custom workouts with your own work duration, rest time, round count, and exercise count. Every detail is yours to control. Save as many presets as you want. ON YOUR WRIST The independent Apple Watch app gives you a full timer right on your wrist. Leave your phone in the bag. Your workout syncs automatically — start from the watch, finish on the phone. STAY IN THE ZONE Live Activity and Dynamic Island support keeps your timer visible even when your phone is locked. See your current phase, time remaining, and progress — without unlocking your phone. TRACK YOUR PROGRESS Every completed workout is logged automatically. See your total sessions, total time, current streak, and weekly chart at a glance. Know exactly how consistent you've been. CLEAN. FAST. FOCUSED. Designed with a dark interface and zero distractions. No ads. No bloat. Just a timer that works as hard as you do. FEATURES • Tabata, HIIT, and EMOM built-in presets • Custom workout builder — set work, rest, rounds, and exercises • Save unlimited custom presets • Independent Apple Watch app with full timer support • Live Activity and Dynamic Island support • Workout history with streaks and weekly chart • Sound effects and haptic feedback (customizable) • Warmup phase toggle • Auto-pause when leaving the app • Works completely offline — no account needed