AppMarketSpy › Health & Fitness › Heart Relay: Watch HR to Bike
Heart Relay: Watch HR to Bike
Watch heart rate to your bike
Anastasios Panagou · Health & Fitness
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App info
- Developer
- Anastasios Panagou
- Category
- Health & Fitness, Sports
- Released
- Sep 22, 2026
- Version
- 1.2.1 (Oct 22, 2026)
- Price
- Free
- Size
- 4.2 MB
- Requires
- iOS 17.0
- Age rating
- 4+
- Languages
- English and German
In-app purchases
| 7-day Trial | $0.00 |
| Heart Relay Full Version | $9.99 |
Current prices, App Store US.
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About Heart Relay: Watch HR to Bike
Heart Relay turns your Apple Watch into a Bluetooth chest strap. Your watch measures, your iPhone broadcasts, and your bike computer or training app sees a regular heart-rate sensor. After the ride, bring the FIT file back into Apple Health with route, heart rate, distance and calories. HOW IT WORKS Heart Relay advertises the standard Bluetooth Heart Rate Profile. Anything that accepts a chest strap will find it as "Heart Relay": Hammerhead Karoo, Wahoo ELEMNT, Garmin Edge, Zwift, Rouvy, MyWhoosh, Peloton, Concept2 and many more. The iPhone has no ANT+, Bluetooth is all you need. Once connected, lock the iPhone and put it away. The connection stays. HEART RATE FROM THE IPHONE (iOS 26) AirPods Pro 3 or a chest strap paired in iOS deliver heart rate straight to the iPhone, on their own or together with the watch. ZONES, ALERTS, VOICE • Five Karvonen zones from age and resting heart rate,…
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