InstaFit Gym is a free Android app developed by InstaFit that offers access to unlimited exercise classes guided by certified personal trainers. With over 100 varied routines including cardio, treadmill, elliptical, weights, and even meditation, you'll never get bored. The app also adds more than 10 new routines each week for all levels of fitness, lasting between 4 and 40 minutes, so you'll never have to worry about lack of time.

One of the best features is the ability to synchronize with your Spotify premium account to train with incredible playlists or your favorite music. You can also download the classes to listen offline without Wi-Fi. The app offers effective sessions of HIIT and resistance for all levels and disciplines, including running, weights, and meditation. The app also tracks your burned calories.

The audio-guided classes are motivating, and the playlist mixing feature with your favorite music makes the experience even more enjoyable. With InstaFit Gym, you'll never have to pay for a personal trainer again to have a professional, fun, and effective routine to get in shape.