System2 - Video-powered 1-on-1 fitness coaching by elite trainers 💪
Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.
Moov - Meet your personal coach
MyTrails - Offline trail maps for Android (and online too!)
Streaks Workout - The personal trainer that you actually want to use.
RunnerUp - RunnerUp - A open source run tracker inspired by Garmin 410, ...