Very Nice app !

Great timer easy to use. You can create your own training program with different exercises, specially use full for running training, you can create 1 plan for a 10 km with all your training or mix match exercises. Can work in background so you can hear you favourite sound in the same time. Team take advices from his user, I put 4 stars to encourage you for future improvements ;)

Kanpin about Intervals Pro - HIIT Timer, v1.2