Apple

How do I set up the heart rate widget on my iPhone?

From your iPhone homescreen, tap and hold anywhere in the background area. Once the apps start to wiggle, tap the...

Why is my resting heart rate different between apps?

Cardiogram uses a proprietary method to calculate resting heart rates; while we use the same data like other apps, this...

How do I make Cardiogram show up on the Apple Watch face?

The Cardiogram companion app for the Apple Watch requires WatchOS 6.2. and above. If you no longer see the app...

How do I set up the bedtime feature on my iPhone?

If you have an iPhone, Cardiogram receives data directly from the “Health” app on your phone. One of the ways...

What if I see a server error?

Ensure that Cardiogram’s servers are up. Force close Cardiogram then relaunch it. Steps for iOS users Steps for Android users – See...