Built through the grind. Made for fighters.
Make weight.
Perform on fight day.
Manage your weight, nutrition and training throughout your fight camp. MyFightPrep helps you reach fight weight without sacrificing energy or performance.
Free during the beta · iPhone app and web
See the app
Your whole fight camp in one app
Weight, nutrition, fluids and fight week in one place, so you always know where you stand.
Weight trend
Weigh in each morning and see the curve toward fight weight and how much is left.
Food log
Calories and macros per day. Snap a photo of your food and the AI estimates the rest.
Water
Daily fluid target, log in one tap and switch on water loading before weigh-in.
Fight week
Your strategy for the week, today's target weight and whether you're on track for weigh-in.
Get started
How it works
From your first weigh-in to fight day in three steps.
Step 1
Set up your fight camp
Add your fight weight, weigh-in date and fight date.
Step 2
Track your progress
Log weight, nutrition, hydration and training in one place.
Step 3
Know what to do next
See what to focus on to stay on track toward fight weight.
Used by fighters in training
„Everything in one place. It makes my fight camp far easier to stay on top of.”
„Far easier to keep track of weight, nutrition and training ahead of a fight — instead of several apps.”
Who's behind it
Built by a fighter
Simon Jounan · Founder of MyFightPrep · Kickboxer & Muay Thai fighter
Simon Jounan is a kickboxer and Muay Thai fighter and the founder of MyFightPrep. The app grew out of his own fight camps, where weight, nutrition, fluids and training were scattered across calendar apps, notes and spreadsheets — and making weight became something you reacted to at the last minute.
More about Simon →Popular guides
All guides →Best Apps for Cutting Weight for a Fight (2026 Comparison)
MyFightPrep, Cronometer, MyFitnessPal, Lose It! and YAZIO compared for a weight cut: what each app does, what is free and what a fighter actually needs.
Combat Sports Weight Classes (kg & lb): 2026 Chart
Weight classes for MMA, pro and amateur boxing, Muay Thai, kickboxing and BJJ in kg and lb, from official rulebooks, plus how to pick the right class.
How to Cut Weight for a Fight: Safe Week-by-Week Plan
How to cut weight for a fight safely: lose 0.5–1 kg a week in camp, then a small, supervised water cut in fight week. Week-by-week timeline included.
Water Loading for a Weight Cut: Protocol & Schedule
Water loading for a weight cut: what the research shows (about 0.6 % extra loss), a day-by-day example schedule from the study protocol, and the risks.
How to Rehydrate After Weigh-In: 24-Hour Plan
How to rehydrate after weigh-in: fluids, sodium and carbs hour by hour, based on the ISSN 2025 position stand, with a timeline and mistakes to avoid.
Muay Thai Weight Classes 2026: IFMA, ONE & WBC (kg & lb)
Muay Thai weight classes in kg and lb for IFMA, WBC Muaythai and ONE: every 2026 limit, how weigh-ins work, and how to choose a class you can make safely.
Get the app
Your next fight camp starts here
Bring your weight, nutrition and training together in one place. Get the app and start building your next fight camp.
Get the app on the App Store →Frequently asked questions
Still have questions? Write to [email protected]
Is MyFightPrep free?+
Yes — MyFightPrep is free during the beta. You create an account and use all core features: weight, nutrition, hydration, training and the dashboard.
Which sports is it built for?+
Every sport with weight classes: MMA, boxing, kickboxing, Muay Thai, BJJ, wrestling, judo, taekwondo and similar. If your sport has a weigh-in, MyFightPrep is built for you.
How is MyFightPrep different from Cronometer or MyFitnessPal?+
Cronometer, MyFitnessPal, Lose It! and YAZIO are good calorie trackers for general weight loss. MyFightPrep is built to make a weight class on a specific date: it shows your weekly pace toward the weigh-in, plans fight week, water loading and sodium, and guides the refuel after the scale. A food log with an AI meal scanner is included.
Do I need a fight scheduled to use the app?+
No. You can run without a fight date and simply track weight, nutrition and training. If you have a weigh-in date, the app shows your weight curve toward it.
Does MyFightPrep guarantee I'll make weight?+
No — and no serious tool would promise that. MyFightPrep gives you overview and guidance so you can make better decisions, but the result depends on your work. The guidance is not a replacement for a doctor, dietitian or your coach.
How does the AI meal scanner work?+
You take a photo of your meal and the app estimates calories and macros in seconds. You can always adjust the numbers manually afterward.
Is my data safe?+
Yes. MyFightPrep is built in Denmark, your data is stored in the EU (GDPR), and you can download or delete everything with one click at any time. We don't sell data and show no ads. Note: when you use the AI meal scanner, the photo itself is sent to an external AI service to be analyzed.
Can I use MyFightPrep on my phone?+
Yes. MyFightPrep is on the App Store, so you can download the app straight to your iPhone. The Android version is coming soon to Google Play — until then, you can use MyFightPrep in the browser on both mobile and desktop.
What happens after the beta?+
During the beta, MyFightPrep is free. Before the beta ends, we'll communicate clearly what happens next — and you can always download your data.