BitGym - Virtual Cardio Tours. No heart rate sensor of special hardware required.

Kinomap - Kinomap app enables you to view videos to get guidelines about how to get into the perfect shape right through their mobile phone.

iFit – Workouts at Home - iFit – Workouts at Home app allows users to access an extensive collection of thousands of home workouts with advice and motivation from world-class fitness trainers.

Treadmill Workout - Treadmill Workout is a health and fitness app through which you can do a treadmill interval workout based on high and low workout intensity.

Strava - The #1 app for runners and cyclists

fitbit - The Fitbit mobile app is for people who use Fitbit fitness trackers to keep track of their activity goals, food plans, and other fitness related things. Read more about fitbit.