A free app for Android, by L.droid.

Multi Stopwatch & Timer is an application that allows you to have a stopwatch and a timer wherever you want to use it. This application has awesome features for you to enjoy and discover just like customizable applications, energy saving features, functionality, interval timer, split time, alarm sounds, full screen, adjusting the color, change size, choose your own font, title name, and more. With Multi Stopwatch & Timer, you can easily use this whether you are cooking, working, studying, alarm clock, sports, and other activities. If you want to enjoy its services, you should definitely install this application on your phone.