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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

Workout timer in action
Heart rate monitoring during exercise
Running workout with interval timer

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.