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HeartCast: Heart Rate Monitor for Apple Watch

Broadcast your heart rate from your Apple Watch to Bluetooth Low Energy compatible devices. Including the Peloton Bike and Tread. Replace your existing heart rate equipment with the Apple Watch you already wear and love.

Monitor your Heart Rate Zones from your Apple Watch or iPhone. This feature can be toggled off.

HeartCast is powered by Bluetooth and you! We use Bluetooth open standards to communicate directly with your fitness equipment. Your heart rate data never leaves your devices.

* Free to download and use forever.
* Ad Free, forever.

In App Purchases
* HeartCast is completely free to download and use forever.
* If you'd like to support Heartcast feature development, please consider purchasing our Pro Upgrade. New features and improvements in the works.

About Your Privacy
* HeartCast monitors your heart rate and broadcasts it over Bluetooth to nearby compatible fitness equipment.
* HeartCast does not monitor or collect any other personal information!
* HeartCast does not write to your Apple Health data explicitly. Apple Watch automatically saves some basic metrics during a workout and contributes directly to closing your Activity Rings.
* HeartCast does not save, store, or transmit your heart rate data to any external services. It is only used within the app and your nearby Bluetooth enabled devices.
* HeartCast utilizes Google Analytics and Google Crashlytics to improve our features and identify and resolve critical issues with the application.
* HeartCast is not affiliated with Peloton or any other fitness equipment provider.

1) Start HeartCast App on your watch and iPhone
Heart Rate will sync between the two devices.
2) On your Watch, press the Start button to begin a workout. This enables bluetooth and begins to broadcast your heart rate to nearby devices. It also enables HeartCast to run in the background during your workout.
3) Breathe easily and never wear those uncomfortable chest straps again.

* An Apple Watch and iPhone. Not supported on iPad.
* Access to Apple Health to read your heart rate data
* Access to Bluetooth to cast to your fitness equipment

Supported Fitness Equipment
* Peloton Bike, Tread, and iPad App
* TacX Smart Trainer Software for MacOS and iPad.
* TrainerRoad - Reported by TrainerRoad Users.
* Wahoo Fitness iPad App (Not supported on Wahoo Bike Computers)

* Please send us a note if HeartCast works on other fitness equipment!

For assistance please message us on Instagram and Twitter @HeartCastApp
For frequently asked questions and additional support please visit our website:

HeartCast was built with love by an avid Peloton user.
Shawn Carrillo