Work Out To Get Strong.
Eat Clean To Get Lean.
Your All-In-One Fitness App. 

Over 3,500 5 Star Reviews

Love The Way You Look & Feel

Discover the ultimate combination of expertly designed workouts, healthy meal plans, and a supportive community, all in one convenient app.

Train Anytime, Anywhere
Build strength and endurance, for all 
fitness levels.

Quick & Easy Meal Plans
Discover easy-to-follow recipes that pack a nutritional punch.

Be Part Of Something Special
Join a supportive 
and empowering global community.

Fitness App You Can't Live Without

Transform Your Body with PRETTY MUSCLES Training

Get expertly curated workouts designed to deliver real results. Never feel lost with a variety of programs for all fitness levels that include follow-along training, video demos and voiceover cues.

Find Your Fit with PRETTY MUSCLES Programs

Erin’s Signature 

This is the trademark program Erin uses with all her clients to get them into peak condition.

Tone & Burn

Intensify your training with this four-week program, where you tone and burn with high-intensity strength training.

Dance Workout

Join guest coach Nate for an energizing cardio workout that will get your heart rate up while learning new dance steps.

Kickstart 1

All the basic moves for the very beginner or someone who has not worked out in a long time in this two week-program.

Partner Up 
Tabata Party

A 14-day,14-minute high-intensity interval training for you and a friend. A lot of burn and a whole lot of fun!

Travel Program

You can still get your training in with the one-week program you can do in your hotel room or the gym.

Quick Workouts

Short on time? No problem! Choose from 10-30 minute workouts or stack your classes to get your heart pumping and body moving.

Real Women. Real Results.

Join the thousands of people from around the world who have transformed their lives with PRETTY MUSCLES.

Easy To Make, Delicious Recipes

You cannot out-train a bad diet. All of the PRETTY MUSCLES meal plans follow the principles of Erin’s books The 4 x 4 Diet and The Power Plate Diet. Clean eating recipes that are easy to make and taste delicious!

A Global Wellness Community

Share tips, encouragement, and support with a community that is dedicated to helping each other succeed. Whether you need motivation, accountability, or simply a place to share your progress, the PRETTY MUSCLES community is here to help you on your fitness journey.

Train Like Country Music's Biggest Stars

When Erin’s celeb clients need to be red carpet ready, they trust Erin’s guidance. Now you can train like they do.

Meet Your Trainer, 
Erin Oprea

For the last two decades, Erin Oprea has been mentoring her clients on how to create healthy, sustainable habits one workout and one meal at a time.


Her training style goes beyond the physical transformation. Instead, she focuses on the education and psychology that make habits stick, and in return, live a lifestyle that gives you the energy and strength to do all the things you want to do in life.


After all, the best thing you can wear is your confidence!