PulseRelay
Broadcast Heart Rate to BLE
Free · Designed for iPhone. Not verified for macOS.
LAUNCH SPECIAL: EARLY ADOPTER ACCESS PulseRelay is currently in its introductory launch phase and is 100% free. Download now to automatically secure 'Early Adopter' status, granting you lifetime unlimited access to all future premium features.
Turn your Apple Watch into a professional Bluetooth Heart Rate Monitor.
PulseRelay broadcasts your real-time heart rate from your Apple Watch to any Bluetooth-enabled fitness equipment or app. Connect seamlessly to Peloton, Zwift, Garmin, NordicTrack, Hydrow, Wahoo, and gym equipment that supports standard Bluetooth Heart Rate monitors.
Why PulseRelay?
Stop buying expensive chest straps or armbands. You already wear the world's best heart rate sensor on your wrist. PulseRelay unlocks its power to work with everything else.
Key Features:
- Universal Bluetooth Broadcasting: Works with any device that accepts a standard Bluetooth Heart Rate Monitor (BLE). No proprietary walled gardens.
- AirPods Pro Support: forgot your watch? No problem. PulseRelay can read heart rate directly from your AirPods Pro (3rd Gen or newer) during broadcasting.
- Live Activity & Dynamic Island: See your Heart Rate instantly on your iPhone's Lock Screen or Dynamic Island.
- Native Apple Watch Recording: Tracks your workout using Apple's native algorithms for Running, Cycling, Rowing, and more. Your rings, calories, and distance are tracked accurately and saved directly to Apple Health.
- Heart Rate Zones: Visualize your effort with beautiful, real-time Heart Rate Zone gauges (Warmup, Fat Burn, Cardio, Peak, Max).
Private & Secure:
- No Account Required.
- No Tracking/Analytics.
- Your health data stays on your device.
Requirements:
- Apple Watch Series 4 or newer.
- iPhone iOS 26.2 or newer.
Disclaimer:
PulseRelay is an independent app and is not affiliated with, endorsed by, or associated with Peloton, Zwift, Garmin, or any other equipment manufacturers mentioned. All trademarks are the property of their respective owners.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
RPE Display — Toggle on Rate of Perceived Exertion (1–10 scale) alongside your heart rate zone on both iPhone and Apple Watch. Turn it on in Settings → Show RPE Level.
Rock-solid background reliability — PulseRelay now stays running through incoming calls, FaceTime audio, and FaceTime video calls. Broadcasting automatically recovers after your call ends without any intervention.
Smarter connection indicator — The Start/Stop bar now shows your connection status directly. The antenna icon pulses when gym equipment is connected, so you always know at a glance.
Bug fixes — Resolved a crash triggered by incoming FaceTime video calls. Resolved a drop-out that occurred when a video call ended.
The developer, Nicholas Spackman, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Nicholas Spackman
- Size
- 4.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Nicholas Spackman