GymTracker Android (Java) application used for tracking your gym sessions. User registration and authentication managed by Firebase Authentication Login and Sign Up: For login enter your email and password To sign up for the application, enter username, email, age and password Menu of machines: Chose the machine you wish to use from the menu: Machine details: After you choose a machine, enter the weight and the repetitions. Practice status: Here the trainer can see his practice and remove exercises Notes: The app available in English and Hebrew. The practice is deleted when the app closes.