The timer (mobile app) that is called 'instant' and allows you to set an alarm when an activity is finished (for example: cooking pasta), but in a fast and easy way. Timers are one of the most popular software products in general
(more here: https://t.ly/TjTNf).

Unlike other timers, this timer makes it very easy to set one: just tab (1 second), no setting a timer up needed (10-15) every time.