This is The Simplest Stopwatch in the Android! It is extremely lightweight! It is extremely simple to use! Features: displaying minutes, seconds and milliseconds! This stopwatch app will also speak the number of seconds passed which is configurable from settings. It vibrates at the configurable intervals. That is all! Nothing more! And of course it's totally free.
Stopwatch was checked for viruses and it was found 100% secure. Super Devs is the official developer of this application that can be found in the Tools category. Over 100K users downloaded and set up the app and the latest release was on Nov 19, 2019.