IntervalGuide
The smart interval timer with real-time heart rate monitoring. Available now on Android and Wear OS. iPhone (iOS) and Apple Watch (watchOS) versions are in development.
Features
Custom Interval Timers
Build any workout structure — rounds, rest periods, warm-up, cool-down. Fully customizable.
Real-Time Heart Rate
Connect any Bluetooth LE heart rate monitor and see your BPM live during workouts.
Wear OS Companion
See your timer and heart rate directly on your wrist with the Wear OS companion app. iPhone and Apple Watch support is in development.
Boxing Bell & Audio Cues
Authentic boxing bell sounds and voice prompts so you never miss a round change.
Heart Rate Zones
Track which zone you're training in — fat burn, cardio, or peak — in real time.
100% Private & Offline
No account required. No cloud. Everything stays on your device.
See It in Action



Now available on Google Play
Download IntervalGuide from Google Play for Android and Wear OS. Versions for iPhone (iOS) and Apple Watch (watchOS) are currently in development.