20 Free Workout Apps to Help Kick-Start Your Fitness Journey

Cost: Free, with a paid subscription available

Fitness apps don't need video to be effective — just check out the Aaptiv: #1 Audio Fitness App. It offers more than 2,500 workouts by certified personal trainers, focused on running, the elliptical, race training, strength training, stretching, yoga, and more. You'll get voice instructions and music to pair with your workout. A premium subscription gives you unlimited access to all classes.