StayFit is a companion app for the Samsung Galaxy Gear S2 and Gear Fit2 wearables.

It is designed to work with the sensors on these devices to provide users with detailed information about their exercise routines.

The main purpose of the application is to help users stay fit and healthy by providing them with useful information and instructions regarding the exercises that they perform in the gym.

It is also designed to keep users motivated to continue exercising and to track and monitor their progress.

In addition to the exercises, the app contains a nutrition guide that provides users with the information they need to know about the food they eat and the effects it has on their health.