HIIT (Watch) - A very simple interval timer engineered for Apple Watch
Macros - Macros – Calorie Counter and Meal Planner created and published by JosmanTek for Android and iOS devices.
WOD - A beautiful HIIT workout app for people on the go
Human:Activity tracker - Activity tracker - Walking, running, biking and Calorie tracking
Sportos - macOS interval timer that enhances your home workouts
Fitbod - Personalized Strength-Training powered by Machine Learning