It's merely a simple timer, destined to be of use in repetitive situations. For example, if you have to take your medicine every few hours. It's not used for long periods of time, 6 hours being maximum number of hours which can be repeated. Other than that, anything lower it's acceptable. The timer being structured in minutes makes it easier for you to select a more exact time interval for your needs.
This app has been updated by Apple to use the latest Apple signing certificate.
With Family Sharing set up, up to six family members can use this app.