Your Fitness. Smarter.
AI-Powered Nutrition That Actually Works.
Calculate your calories, hit your macros, and get meal plans tailored to your goals — all powered by AI.
How It Works
Four simple steps to transform your nutrition and reach your fitness goals
Calculate Your Calories
Instant TDEE calculation with metric or imperial units. Get your precise daily calorie needs.
Set Your Goal
Choose cutting, maintaining, or bulking — FitIndex adapts everything to your specific goal.
Get Your AI Meal Plan
Receive a tailored 7-day meal plan with macros, portions, ingredients, and instructions.
Chat With Your AI Coach
Ask anything: macros, substitutions, grocery lists, cutting/bulking strategies.
Why FitIndex?
Everything you need to succeed, powered by cutting-edge AI technology
Science-Based Formulas
Accurate TDEE and macro calculations using proven Mifflin-St Jeor equations trusted by professionals.
AI-Powered Meal Generation
GPT-4 powered meal plans that understand your goals, preferences, and nutritional requirements.
Personalized Protein Targets
Goal-specific protein calculations (1.6-2.2g/kg) with daily distribution for optimal results.
Premium Design & Simple UI
Clean, elegant interface designed for ease of use. No clutter, just what you need to succeed.
45 Goal-Specific Meal Hacks
Quick, delicious meal ideas with full macros for cutting, maintenance, and bulking phases.
ChatGPT-Level Nutrition Coach
24/7 AI nutrition expert that answers your questions with context-aware, personalized advice.
What Our Users Say
Join thousands of people transforming their fitness journey
"This app made tracking calories easy again. The interface is beautiful and intuitive."
"The AI meal plan saved me hours every week. I finally have time to focus on training."
"Finally an app that understands cutting vs bulking macros. Game changer for my goals."
Unlock FitIndex Premium
Get advanced AI tools including your 7-day meal plan, 45 meal hacks, and your personal AI nutrition coach.
Just €2.99/month
7-Day AI Meal Plans
Personalized for your goal
45 Meal Hacks
Quick nutrition ideas
AI Nutrition Coach
24/7 expert guidance
Priority Support
Get help when you need it
Frequently Asked Questions
Everything you need to know about FitIndex
Q:What is a TDEE calculator?
A:A TDEE (Total Daily Energy Expenditure) calculator estimates the number of calories you burn per day based on your age, weight, height, gender, and activity level. This helps you determine how many calories to eat for weight loss, maintenance, or muscle gain.
Q:Is FitIndex really free?
A:Yes! FitIndex offers free TDEE and protein calculators with no signup required. Premium features like AI meal plans, diet styles, and AI coaching are available for €2.99/month.
Q:How accurate are AI-generated meal plans?
A:Our AI meal plans use GPT-4 technology trained on nutritional science and are designed to meet your specific calorie and macro targets. However, always consult a healthcare professional for personalized medical advice.
Q:Can I use FitIndex for cutting or bulking?
A:Absolutely! FitIndex supports all fitness goals - cutting (fat loss), maintaining (recomp), and bulking (muscle gain). Our calculators and meal plans adjust macros specifically for your chosen goal.
Medical Disclaimer
Important: FitIndex provides general fitness and nutrition guidance generated by AI. This information is for educational purposes only and should not replace professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider or registered dietitian for personalized medical or nutritional guidance. Individual results may vary, and any dietary changes should be discussed with your healthcare professional, especially if you have pre-existing health conditions or are taking medications.