Fitivity gets you better. Looks like you’re here to get a better and flatter stomach. App that uses only bodyweight exercises to tone your stomach. If you've ever wanted to tighten up your stomach then this is the program for you! This app includes the most efficient workouts to help you get a flatter belly within weeks. A tight core does not have to be out of reach anymore. Take the time to follow this program and we know you’ll see the results you desire within a short period of time! E