Muscle Mastery

Your program lives here. This is where the work happens.

Muscle Mastery is a private coaching brand built by Jeff Later, IFBB Pro, with over 24 years of experience and 8,000+ client transformations. The method is built on four phases: Prime, Prove, Power, Polish. A system designed to change your body and what you believe is possible for it.

If you're a Muscle Mastery client, this app is your home base. Your training program, your nutrition plan, your check-ins, and your coach, all in one place. No confusion about where to go or what to do next. Open the app, follow the plan, submit your check-in, and move forward.

-Access your custom training program with video instruction and exercise guidance

-Log your workouts including weight, sets, reps, and personal records

-Submit weekly check-ins directly to your coach with photos, measurements, and notes

-Reference your nutrition plan and track your daily macros

-Message your coach directly through in-app messaging

-Track body weight, measurements, and progress photos over time

-Check daily habits set by you and your coach

-Get push notifications for scheduled sessions and coach updates

-Connects to Fitbit, and Withings to sync body stats

This app is for Muscle Mastery clients only.