ECHO: Turn Your Apple Watch into a Bluetooth Heart Rate Monitor

Unleash your Apple Watch’s potential and supercharge your workouts with ECHO. Transform it into a seamless Bluetooth heart rate monitor, connecting effortlessly to your favorite fitness apps and equipment. Take your training to the next level—anytime, anywhere.

Connect with Ease
Link your Apple Watch heart rate data to workout gear or apps supporting standard Bluetooth monitors. From apps to treadmills to bikes, ECHO’s got you covered.

Master Your Heart Rate Zones
Say goodbye to guesswork. Track zones effortlessly on your Apple Watch and iPhone—Bluetooth or not. Choose from top-tier models like Orange Theory Fitness®, Peloton®, iFit®, Echelon®, NordicTrack®, American Heart Association®, and Fat Burn®.


Bonus: Custom Zones Included! Create your own zone model for a tailored fitness edge—at no extra cost.

Try It Free
Jump in with 20-minute free workouts. Experience ECHO’s game-changing tech with zero commitment and see how it elevates your routine.

Your Ultimate Workout Partner
ECHO syncs flawlessly with apps and devices like Rogue Echo Bike V3, Peloton®, iFit®, Zwift®, Precor®, Life Fitness®, Echelon®, NordicTrack®, Wahoo®, and Schwinn®. Whether you’re cycling, running, or crushing it on an elliptical, ECHO delivers a smooth, immersive ride.

Privacy You Can Trust
Your data stays yours. We never store, share, or sell it—period. Privacy isn’t just a promise; it’s our foundation.

Apple Health, Simplified
ECHO taps into Apple Health to read heart rate data securely, passing it straight to your device—no storage, no fuss. Optionally save workouts to Health, fill your rings, and crush your goals.

Ditch the Straps, Embrace the Watch
No chest straps. No armbands. Just your Apple Watch (Series 3 or newer). Unlock heart rate and zone training like never before.

Heads Up
Echo is incompatible with GARMIN bike computers; use a Watch Link for these devices (watchlink.app).
Not compatible with Rogue Echo V2 bikes.

From PK Fitness Apps
We’re an independent team obsessed with fitness tech excellence. ECHO isn’t affiliated with Orange Theory Fitness®, Peloton®, iFit®, Zwift®, Precor®, Life Fitness®, Echelon®, NordicTrack®, Wahoo®, Schwinn®, or American Heart Association®.