Train Fitness - Automatically track your workout at the gym - hands free!
Detour - Immersive audio walks, now in 17 cities
MoovBuddy - An exercise app for back & neck pain and joint health
YourTour - Explore user-generated immersive audio tours via your phone
Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.
Nexto - Replace boring audio guides with games & puzzles