UTC Clock is a free Android app developed by ottimotech that provides a simple and convenient way to keep track of time in UTC. As the name suggests, the app displays the current time in UTC, which is based on the local standard time on the 0° longitude meridian that runs through Greenwich, England. The app uses 24-hour (military) time notation and is a great tool for people who need to work with UTC time regularly.

The interface of UTC Clock is clean and straightforward, with the current UTC time displayed prominently at the top of the screen. The app also allows users to switch between 12-hour and 24-hour time formats, which is a handy feature for those who are more comfortable with the latter. Overall, UTC Clock is a useful app for anyone who needs to keep track of time in UTC, and its simplicity makes it a great choice for those who want a no-frills solution for this purpose.