Productivity Challenge Timer is described as 'Pomodoro timer which aims to help you be more productive, more focused, waste less time and so on, you already know all that stuff' and is a Pomodoro Timer in the office & productivity category. There are more than 25 alternatives to Productivity Challenge Timer for a variety of platforms, including Web-based, Mac, Linux, Flathub and Windows apps. The best Productivity Challenge Timer alternative is Pomodorolm, which is both free and Open Source. Other great apps like Productivity Challenge Timer are Tomato Pomodoro, Pomatez, pomo and Presto Time Tracking.