One platform, shaped to how you train
Whether you train one-on-one, run a studio, develop athletes, or own a gym, Flex covers the whole business — scheduling, payments, programming, and your website. Find the setup that fits you.
Software for independent personal trainers
Booking, payments, programming, and a professional website — everything you need to run your training business solo, in one place.
Learn moreSoftware for mobile personal trainers
No studio? No problem. Run booking, payments, and programming from your phone while you train clients at their home, the park, or any gym.
Learn moreSoftware for personal training studios
Run a private or semi-private studio with multiple trainers, memberships, and a website — without paying for bloated enterprise software.
Learn moreSoftware for sports performance & strength and conditioning
Built for athlete development: program periodized training, track progress, and run group and individual sessions for teams and athletes of every level.
Learn moreSoftware for small-group & semi-private training
Fill every spot. Run capped small-group sessions with waitlists, class packs, and reminders — the model between personal training and big group classes.
Learn moreSoftware for independent gyms
Own your members, your data, and your revenue. Run scheduling, payments, memberships, and your website on one platform built for independent gyms — not franchises.
Learn moreReady to run your business on one platform?
Start your 30-day free trial. No setup fees, no contracts, cancel anytime.