The Wolff Timer vs Circuit Timer

The Wolff Timer is a beautifully designed interval timer built for circuit training, HIIT, Tabata, and any workout that needs precise timing. SIMPLE & POWERFUL Set your work time, rest time, rounds, and sets. Tap start. That's it. No complicated menus, no subscriptions, no ads. LIVE ACTIVITY See your timer right on your Lock Screen and Dynamic Island. Always know what's coming next without unlocking your phone. WORKS WITH YOUR MUSIC Audio cues automatically lower your music volume during beeps, then restore it. Your Spotify, Apple Music, or podcasts keep playing. BACKGROUND RELIABLE The timer keeps running accurately even when your phone is locked or you're using other apps. Never miss a transition. PERFECT FOR • Circuit training • HIIT workouts • Tabata protocols • Boxing rounds • CrossFit WODs • Yoga flows • Any interval-based training FEATURES • Customizable work and rest intervals • Multiple sets with rest between sets • Live Activity on Lock Screen & Dynamic Island • Audio cues that respect your music • Clean, distraction-free interface • No account required • No subscription • No ads Built by someone who actually uses it.

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/