FFMI Analyzer

[All features are free and ad-free. Supporting the developer (price of a coffee) is optional ☕️]

A body recomposition and fitness analysis app that visualizes your "true muscle mass (FFMI)", which cannot be measured by weight or BMI alone. No tedious daily data entry required. It seamlessly integrates with Android's "Health Connect" to provide beautiful and accurate graphs of your hard work.

[Core Features]

FFMI Calculation: Uses logic based on academic research (Kouri EM, et al.) to accurately track your muscle growth trends.

Health Connect Integration: Automatically retrieves weight, body fat percentage, steps, calories burned, and nutrition data. Duplicate data is merged automatically.

Energy Expenditure Analysis: Displays the breakdown of BMR and active energy, visualizing your daily intake and expenditure balance at a glance.

[Google's Latest AI "Gemini": Your Evolved AI Trainer]
Simply register a free API key from the settings to use Google's advanced AI "Gemini" as your personal trainer with no limits.

Integrated Data Analysis: Outputs all-time graphs and data into a single image for the multimodal AI to analyze objectively and candidly.

Photo AI Consultation: Attach photos of your meals or physique to get specific advice directly from the AI.

SNS Post Mode: Summarizes AI analysis results for X (formerly Twitter) or Instagram. Generate images and text for posting with one tap.

Detailed Nutrition Analysis: Integrates detailed nutrient data such as vitamins and minerals into the AI to support high-quality diet management.

[Operating Policy]

Completely Free / No Ads: We prioritize user experience. There are no annoying ads.

Privacy Protection: Data is processed locally on your device. Only necessary data is securely transferred to Google's API when using the AI analysis feature.

Note: Requires Android 9.0+ and the "Health Connect" app.