What do I need to use FibriCheck? September 14, 2021 13:11 Updated To use FibriCheck, all you need is your smartphone. In other words, no other equipment is necessary. Related articles Will FibriCheck work on my smartphone and smartwatch? Where do I find the user instructions? Perform your first measurement How much does a subscription cost? Will my health insurance or my mutual health benefit society refund FibriCheck?