Flex Fitness & Workout Download

A free trainer in your pocket. Lose weight or build muscle.

Personalized workout plans

Or build your own

Achieve any fitness goal

Top workout routines & plans built by personal trainers

For any difficulty level

Our goal is to create a healthier world.

Follow us on instagram @flex.ai to join the community!

Free:

Basic workout programs

Build or customize your own program and freestyle workouts

Workout guide to log and improve upon your performance each session

Share your plans and workouts to other people

View your progress and stay consistent: workout calendar, exercise stats, streak, bodyweight tracker, calories tracker, steps tracker, workout notifications

Auto Progression: Flex automatically increases or decreases the difficulty of your exercises in your program based on past performance

Flex Premium:

Logging on the Apple Watch app

Unlock Premium programs

Unlock Premium freestyle workouts

Premium workout experience: music integration, plate calculator, etc.

Advanced editing/building tools

Flex is the free, simple, and engaging app that does the planning and tracking so that you can just focus on your workouts and achieve your goals. Flex can automatically increase or decrease the difficulty of your exercises in your program based on past performance.

Hundreds of workouts and programs for you. Find and use the most effective workouts and programs designed by personal trainers, tailored to your goal and whether you workout at the gym or at home.

Forget about researching exercises, programs and keeping track of all your progress. Flex handles that and makes working out more engaging with features like streaks and progress charts.

Freestyle workouts:

Whatever your time commitment, physical goals, experience, or access to equipment, Flex has the right workouts for you. Choose any combination of equipment, goals, muscles worked or quick freestyle workouts.

Already have a fitness program you use or want to customize your own?

Edit one of our programs or build your own into Flex with the custom plan builder.

Real-Time Workout Guide:

Flexs workout guide will lead you through your workout step by step, telling you which exercises to do, how to do them, how long to rest for optimal results and notifying you when you need to start your next set. You also have the spreadsheet view where you can fully modify your workout on the fly. Move around exercises, change exercises, add/remove sets. Control your music without leaving the app thanks to native Spotify and Apple Music integrations.

You cant improve what you dont measure. With Flex, you can track:

How consistently youre exercising with the calendar feature

Your total calories burned daily, calculated from workouts/steps/BMR

Your bodyweight over time

Your steps with a 10k daily goal via the Apple Health integration

Your exercise progress with the exercise stats

Your workout history

An even easier way to workout with Flex Apple Watch:

Use the Flex apple watch app to log sets and complete workouts without needing to constantly check your phone. Sync your data and close your activity rings.,