You can watch the minutes and seconds wind down on the screen, if you have nothing better to do. Last, but not least, the Timer can stop audio or video after the specified length of time. How to pause a timer on your iPhone or iPad. I hope that when you leave this site, you will have learned how to get your iOS device to work for you.
The good news is that the process of stopping the hourly chime is a relatively easy one. If you set it to the same thing as your profile name, people can easily navigate to Steamcommunity. Its remarkable how complicated setting an alarm can be, on even the most inexpensive clock radio.