Workout Timer is a free Android application developed by Alexander Senin that offers a specialized timer for interval training. With this app, you can choose from a variety of display modes, including Tabata Protocol, Rounds, Stopwatch, Intervals, and Workout of the Day.

One of the best features of this app is its ability to work in the background (premium version), allowing you to continue using your phone while the timer is running. You can also display the number and duration of rounds, making it easier to keep track of your progress and stay motivated.

Overall, Workout Timer is a great tool for anyone looking to improve their fitness through interval training. Its simple and intuitive interface makes it easy to use, and the variety of display modes means that you can customize your workouts to suit your individual needs. Download Workout Timer today and get started on your journey to a healthier you!