How many Beats Per Minute?
Use the Righetti's Pulsometer!
‍TAP on the 1^st beat...
2^nd, 3^rd, 4^th, 5^th and 6^th beat:
counts and do nothing...
TAP on the 7^th beat. And that's it!

*TAP: you can touch your screen anywhere, or use a click or the space bar!