api-usage
MuscleMind
Fitbod
Hevy
Dr. Muscle
Strong.app
AI Fitness Advisor Pro
AIFitnessCoach.fit
Dumbbell AI
Trainers charge $100/hr. MuscleMind pays you to train.
Get a personalized AI workout plan in seconds, built for your goals, your equipment, and your schedule. Then earn real rewards every time you lift.
AI THAT ACTUALLY ADAPTS Your plan updates every week based on how you performed. Hit a PR? The AI pushes harder. Tough session? It adjusts. No cookie-cutter programs. No guesswork.
BUILT FOR LIFTERS Track every set, rep, and weight with a tracker built for the gym. Barbell, dumbbell, cable, machine, bodyweight, log it all. Your full training history, always at your fingertips.
AI COACH BETWEEN EVERY SET Need a help with an exercise? Unsure about rest time? Ask your AI coach mid-workout and get an instant answer. Like having a personal trainer, but without the $100/hr bill.
EARN $MUSCLE REWARDS Here's what no other fitness app does: we pay you.
Every workout earns you $MUSCLE points. Redeem them for real fitness products and exclusive discounts. The more consistent your training, the more you earn.
Trainers charge you. We pay you.
GET STARTED FREE MuscleMind is free to download. Unlock full access with a Premium subscription or lock in Founding Member pricing before it's gone.
Download free. Train smarter. Get paid for your gains.
MuscleMindMuscleMind's answer:
Flutter frontend, Firebase backend.
MuscleMind's answer:
MuscleMind pays you in $MUSCLE rewards every time you train. This is unique for a fitness app and will motivate you even more to keep going to the gym and earn more rewards. Another unique feature, is how your weekly workout plan evolves. Every week, it gets updated based on all your historical training data and the feedback you give your trainer. This results in a highly personalized workout plan that fits every user.
MuscleMind's answer:
Because MuscleMind pays you to train and generates personalized workout plans that get updated every week.
MuscleMind's answer:
People who already go to the gym, but lack a structured plan.
MuscleMind's answer:
Built by a lifter, for lifters. I'm Jelle Heijne, a 28-year-old mechanical engineer from Eindhoven, Netherlands. By day I work on hydrogen combustion engines. MuscleMind is what I build at night.
Why I built this I've been going to the gym on and off since I was 16. And that's exactly the problem — on and off. Some months I'd train consistently and feel great. Other months I'd lose motivation, skip sessions, and lose the progress I'd built. When I did show up, I lacked structure. I'd record my lifts in Excel for two weeks, then stop. I plateaued.
I knew what I needed was a personal trainer who could keep me both structured and accountable — but I couldn't afford one. When ChatGPT came out, I saw the opportunity. If AI could understand my training history and adapt to my performance, it could do what a trainer does — without the €80 per session price tag. I spent two years building that idea into MuscleMind.
What makes it different The consistency problem has two sides: structure and motivation. MuscleMind is built to solve both.
On the structure side, the AI Coach remembers every rep you've ever logged, every piece of feedback you've given it, and every week it builds you a completely new plan that progresses automatically from where you left off. Progressive overload — the principle that you have to consistently lift more over time to keep getting stronger — is built into every plan, automatically. You never have to think about whether you're actually making progress. You just follow the plan.
On the motivation side, every workout you complete earns you $MUSCLE — our in-app reward currency you can redeem for discounts. Showing up should feel rewarding. Trainers charge you. We pay you.
Built by someone who uses it I'm not a certified personal trainer. I have no formal fitness credentials. What I do have is personal experience with exactly the problem MuscleMind solves — years of inconsistent training, lost progress, and frustration — plus a degree in mechanical engineering and two years of learning UI/UX design and Flutter development to build the solution.
I've been using MuscleMind myself for two months now. The difference is real. I train at the gym twice a week and I never walk in wondering what to do — I follow the plan, log my sets, and the app takes care of everything else. I'm making measurable progress, consistently, for the first time.