Looking for partnership/collab for fitness app (very close to launch)

Prototype is complete for a fitness app focussed on resistance training. Just need someone to make a simple backend (register/login, admin tool). open to partnership. trying to move quickly.

Different from other fitness apps because it takes out the guesswork. For example: A workout log app allows you to write down what you did for your workouts. My app PROVIDES you with a resistance training program that gives all the workout variables (how much weight to lift, how to progress, how often you should lift, etc).