Mods for your Polar heart-rate sensors

Chest and arm sensors for live heart rate and model-specific recording.

Want it to do something else?Request a feature

Available mods

Polar H10 LoggingWindows app

0stars on GitHubActive. Last commit 1mo ago.

Best if: You use Windows and want ECG, heart-rate and motion CSV files
Catch: Needs Bluetooth and WebView2; reconnecting starts a new recording segment

GoldenCheetahDesktop app

2,245stars on GitHubActive. Last commit 1d ago.

GadgetbridgeAndroid app

1,996stars on GitHubActive. Last commit 2d ago.

Devices: H9 and H10 (partly)Also works with Garmin, Amazfit, Bangle.js, Casio, FitCloud, FitPro, Fossil, GloryFit, Hama, HPlus, Huawei / Honor, Keep Health, Laxasfit, Lenovo, Moyoung / Da Fit, Nothing, Nx Wear, Ollee Watch One, Pebble, SMA, Sony, Soundbrenner, Wearfit, Xiaomi, Others & unbranded, Yawell / Colmi, 1MORE, Anker, Bose, Bowers & Wilkins, Cardo, EarFun, Google, Haylou, Huawei, Jabra, Moondrop, Oppo, Realme, Samsung, Sennheiser, Shokz, UGREEN, Gree, Marstek, BMx devices, Victron, iGPSPORT, Beurer, Braun, LifeScan, Sanitas / SilverCrest, DJI, Divoom, IKEA, 8BitDo, Even Realities, Coospo, Innovo, QN-Scale, LeFu, Viatom, SoFlow, Sinilink / XinYi, Femometer, iTag, Roidmi, Flipper, Shell Racing, AsteroidOS, ATC_BLE_OEPL, Pine64, Ultrahuman, and Withings

ESPresenseFirmware mod

1,496stars on GitHubActive. Last commit 1d ago.

Devices: H10 chest strapAlso works with Apple, Withings, Amazfit, and Xiaomi
Needs: ESP32 boards + MQTT server

QZ (qdomyos-zwift)Phone and desktop app

888stars on GitHubActive. Last commit 8h ago.

Devices: H10, OH1, Verity SenseAlso works with Garmin, Abilica, AsVIVA, Bowflex, BH, Care Fitness, Casall, Chrono, DKN, Echelon, Favero, Fitplus, Flow fitness, Flywheel, Iconcept, Inspire, JK Fitness, Keep, Keiser, Wahoo, Horizon, MCF, Merach, Nautilus, Nexgim, NordicTrack, NPE, Pafers, Proform, Hammer, Renpho, Schwinn, Skandika, Snode, Sole, Sportplus, Sportstech, Stages, Tacx, Toorx, Tunturi, Virtufit, Yesoul, Activio, ArtGo, Bodytone, Capital Sports, Domyos, Dynamax, Enerfit, Fassi, Fitfiu, Fitshow, Healthrider, JTX, Life Fitness, Muscle Squad, NoblePRO, Octane Fitness, Kingsmith, Shuaa5, Spirit, Technogym, Umay, Zipro, Concept2, WaterRower, Apple, Peloton, Samsung, KingSmith, and Schwinn / Bowflex