What devices does Cardiogram work with?

Supported phones:

Apple iPhones
Android phone with the Google Play Store

Supported wearables:

All Apple Watch models.* The Cardiogram companion app for the Apple Watch requires WatchOS 6 and above.
All Wear OS by Google devices and Samsung Galaxy Watch 4 or newer - the Cardiogram companion app, is required on the watch for Cardiogram to work properly.
All Garmin wearables with a heart rate sensor - Fenix 5 Series, Forerunner, Vivoactive 3, etc.
All Fitbit wearables with a heart rate sensor including the Google Pixel Watch

ECG Importing:

Only available with Apple Watch 4 and newer.

Workout Importing:

Apple Watch
WearOS Watches
Fitbit

Devices not currently supported:

HR bands or straps:

We currently do not support any HR straps directly like the (Polar H10 or Garmin). However you may be able to pair your HR band to your watch and use it as an additional sensor then import that data into your Cardiogram profile. Please contact your HR band manufacturer for more details.

Watches:

Samsung watches from before 2020, Amazfit, Mi Band, Withings, or other smartwatches that do not run on WearOS.