
The RX Fitness Lab app
Your AI coach in your pocket
AI programs built around your goal and your equipment, plus calories from a single photo. One app, under $5 a month.
Free to download

- 5.0 on the App Store
- 100+ athletes
- Programs designed with a gym expert
- Available in 4 languages
What the app does
Four tools you will use every day.
Snap your meal
Take a photo of your plate and get calories, protein, carbs and fat in seconds. Add a quick note for anything the camera can't see.

AI training programs
Personalised 8-week programs built around your goal, your schedule and your equipment, with every session and set logged as you go.


See your progress
Your weight trend, Health Score, macros and strength records in one place, so you always know what's moving.


Steps & calories burned
Your daily steps and calories burned, split into resting, steps and workouts.


How it works
Download the app
Available on the App Store and Google Play.
Set your goal
Lose fat, build muscle or get stronger. The app builds your plan around it.
Train and track
Follow your sessions, snap your meals and watch your numbers move.

Aymen Zegguir
Gym expert
The team behind the app
Built by engineers, shaped in the gym
RX Fitness Lab is built by a team of engineers in collaboration with Aymen Zegguir, a gym expert who trains every day. The engineers build the AI, the meal scanning and the tracking. Aymen makes sure every program, exercise and progression works on the gym floor, not just on paper.
Discover the appSimple pricing
One Premium plan with everything included.
Yearly
$49.99/year
$4.17/month, save 17%
Monthly
$4.99/month
- AI 8-week programs built for your goal
- Photo calorie scanning
- Workout logging with exercise demo videos
- Steps and progress tracking
- Cancel anytime
Frequently asked questions
Your AI coach in your pocket
Download RX Fitness Lab and start your first program today.
Free to download
Latest articles
View all articlesCarb Cycling for Fat Loss. The Science Behind Strategic Carbohydrate Timing
Learn how to strategically cycle carbohydrates to maximize fat loss while preserving muscle and maintaining high training performance.
Read moreHow to Cut Without Losing Muscle. The Complete Science Based Guide
Master the art of cutting fat while preserving muscle with science-backed strategies for nutrition, training, and smart supplementation.
Read moreBulking Meal Prep Ideas to Maximize Muscle Growth
Master bulking meal prep with these science backed strategies to fuel muscle growth and hit your macros consistently every week.
Read moreNewsletter
Join the RX Fitness Lab newsletter
New articles, training and nutrition tips, and app updates, straight to your inbox.