Interval Timer (PFA) is described as 'Privacy Friendly Interval Timer supports the user during his/her circuit training session and helps him achieve his/her training goals. In order to support the user during his training, the app provides stopwatches, which can be configured according to the user’s own training' and is an app. There are more than 10 alternatives to Interval Timer (PFA) for a variety of platforms, including Android, iPhone, iPad, F-Droid and Apple Watch apps. The best Interval Timer (PFA) alternative is All My Seconds, which is free. Other great apps like Interval Timer (PFA) are TimeR Machine, Workout Time!, Just Another Workout Timer and TimerLabs.