User manual: FibriCheck app 15 January 2025 13:44 Updated Note: This article does not apply if you reside in the US. For information and assistance regarding the US version of the FibriCheck app, please visit this link. This page has the latest version of the user instructions at all times. Related articles User manual: FibriCheck Portal Perform your first measurement Which labels may be assigned to the heart rhythm measurements? What do the different heart rhythm measurement results mean? Can I pay my subscription on a monthly basis?