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Science-backed body recomposition

Build muscle.
Lose fat.
Track everything.

The intelligent body recomposition tracker that generates personalized training & nutrition plans and monitors your transformation week by week.

Trusted by 2,000+ athletes

Good morning

Cutting Phase
18.2% → 12% Body Fat
65%
Progress
Current BF%
14.3%
On track
Est. Weeks
6
On track
Weekly Pace
−0.4%
Optimal
Log Progress
View History
My Plans
2,000+
Active users
50K+
Weekly logs tracked
12K+
Goals achieved
4.9/5
User rating
Everything you need

Your complete recomp toolkit

From goal setting to progress analytics, every tool you need to transform your physique — in one place.

Smart Goal Setting

Set cutting or bulking goals with scientifically-backed body fat targets. The system calculates your ideal calorie deficit or surplus.

AI Nutrition Plans

Get personalized macro targets — protein, carbs, and fats — optimized for your goal type, activity level, and metabolism.

Training Programs

Auto-generated workout routines with progressive overload, rest recommendations, and cardio guidelines tailored to your phase.

Progress Analytics

Track body fat trends, lean mass changes, and pace metrics with beautiful charts. Know exactly if you're on track.

Ceiling Alerts

During bulking phases, get smart alerts when you're approaching your body fat ceiling — time to switch to a cut.

Science-Based Methods

Choose from US Navy tape method or 3/7-site skinfold measurements. Multiple validated methods for accurate body composition.

5 Languages

English, Portuguese, Spanish, German

Mobile Native

iOS & Android apps via Capacitor

Intelligent Plans

Auto-generated diet & training

Simple process

Transform in 3 steps

No complicated spreadsheets. No guesswork. Just measure, track, and let the system handle the rest.

1

Measure & Set Goals

Take your baseline measurements — weight, waist, neck. Choose cutting or bulking. We calculate your body fat and create your roadmap.

2

Follow Your Plan

Get AI-generated training routines and nutrition macros tailored to your goal. Adjust them as you progress — the system adapts with you.

3

Track & Iterate

Log weekly progress. Watch your body fat trend downward (or muscle go up). Get alerts when it's time to switch phases.

Everything included.
No hidden fees.

Full access to all features from day one. Goal tracking, AI-generated plans, progress analytics, mobile apps, and multi-language support.

Create Free Account
Unlimited goal tracking
AI nutrition & training plans
Weekly progress analytics
Body fat trend charts
Multiple measurement methods
iOS & Android apps
5 language support
Dark & light themes
Real results

Athletes love it

From beginners to competitors, thousands are transforming their physiques with My Bulking.

I've tried dozens of fitness apps. My Bulking is the only one that actually understands body recomposition. The ceiling alerts alone saved me from months of wasted bulking.

Marcus T.

Software Engineer

−8% BF in 16 weeks

I recommend this to all my clients. The AI-generated plans are surprisingly solid, and the weekly tracking keeps people accountable. The progress charts are motivating.

Sofia R.

Personal Trainer

40+ clients onboarded

Finally an app that understands cutting and bulking phases. The macro targets are spot-on, and being able to track with different measurement methods is huge.

Daniel K.

Competitive Bodybuilder

+4kg lean mass

Ready to transform?

Join thousands of athletes who are building their best physique with science-backed tracking and AI-powered plans.

Get Started — It's Free

No credit card required. Set up in 2 minutes.