Counter is a free Android app developed by Mirko Martinović that combines the functionality of a stopwatch, countdown timer, and record-keeping tool. With Counter, users can keep track of the number of push-ups, chin-ups, abs, squats, and even zombies they can slay in a minute. The app comes with a user-friendly interface that makes it easy to use, and it has several customization options to suit individual preferences.

One of the most notable features of Counter is its ability to save results with an existing or new tag. Users can view all results or filter them by tag to make it easier to track progress over time. Additionally, the app has a stopwatch and countdown mode that can be customized to suit specific needs. Overall, Counter is a versatile app that combines several useful functions to help users stay on top of their fitness goals.