Na serveru Slunečnice.cz je zajímavá iOS aplikace:

Hands-free Stopwatch: use hand gestures to control timer for swimming and kitchen 1.0

Getting your hands wet or dirty? With this FREE app you can use a stopwatch without touching the screen. It's fantastic for timing while you cook, following instructions with dirty hands, or for sweaty or pool fitness use. You can even use it for a "photo finish" lap timer - just break the beam…

Adresa: https://www.slunecnice.cz/sw/hands-free-stopwatch-use-hand-gestures-to-control-timer-for-swimming-and-kitchen/