Polar H10 Heart Rate Monitor (Chest Strap)
ECG-level accuracy via Bluetooth and ANT+: the Polar H10 is still the most accurate heart-rate sensor you can wear — 27,000+ ratings.
Our Verdict
The gold-standard chest-strap HRM: ECG-accurate sensing, Bluetooth + ANT+ dual connectivity, built-in memory, waterproof. 27,300+ ratings, ~$90.
What We Like
- Most accurate consumer HR data
- Bluetooth + ANT+ to two devices
- Built-in memory — train without phone
- Waterproof, years of battery
- Works with watches, apps, bike computers
Worth Knowing
- Strap needs moistening for best signal
- Not as comfortable as wrist optical
- No standalone display or app coaching
- Overkill for casual walkers
Who Is This For?
Runners, cyclists and HIIT athletes whose wrist HR lags during hard efforts.
The Full Picture
Wrist optical sensors lag at high intensity; the H10 reads the heart’s electrical signal directly, so intervals and sprints are captured cleanly. Pair it to your watch, Zwift or the Polar Beat app, and use the built-in memory to record a session phone-free.
Bottom Line
The most accurate heart-rate wearable on the market — Polar H10, 27k+ ratings.