FFMI Analyzer
Health & Fitness
Free · In‑App Purchases
[All features are free. Support (price of a coffee) is optional.] A body make-up support app that visualizes "True Muscle Mass (FFMI)" which cannot be understood by weight or BMI alone. No tedious input required. It automatically integrates with Health app data to provide graphs specialized for analysis.
[v1.6.1 New Feature: Data Sync with Mac App] Support for the long-awaited Mac version has arrived. You can now share iPhone data to the Mac app via iCloud for viewing and analysis on a larger screen. Perfect for when you want to take a closer look at long-term trends and subtle changes on your desk or home PC. (*Data sync is done with one tap from the Analysis screen. We use a secure manual sync method that ensures data is shared only when you need it. )
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AI Photo Consultation You can attach photos of your meals or physique and ask the AI for specific advice. Ask questions like "How is the PFC balance of this meal?" or "What areas of my physique should I improve?" to get accurate feedback based on visual information.
SNS Post Mode Summarizes AI analysis results into "short and catchy" text for SNS (X or Instagram). Generate an image for posting and text with hashtags in one tap, making it fun to share your daily records.
More Detailed Nutrition Analysis Detailed nutrient data such as vitamins and minerals are sent to the AI. This enables high-quality dietary management that goes beyond simple calorie counting.
(*You can use it without limits simply by registering a free API key from the settings screen.)
[App Features]
Optimized for AI Analysis: Outputs data for the entire period into a "single image" without scrolling for multimodal AI analysis.
Multi-Device Support: In addition to iPhone/iPad, it now supports data viewing on Mac apps (iCloud integration).
Detailed Nutrition Analysis: Overlays intake status of PFC balance, vitamins, etc., on the graph.
Energy Analysis: Displays basal metabolism and active energy to check the intake/consumption balance at a glance.
Automatic Integration: Automatically retrieves weight, body fat percentage, steps, nutrition, and burned calories from Healthcare.
[Operational Policy]
Completely Free / No Ads
Privacy Protection (In principle, data is processed only within the device. Necessary data is transferred to Google only when using AI analysis features, and to iCloud only when syncing with Mac.)
Adopts calculation logic based on academic research.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Minor bug fixes and performance improvements.
The developer, Tomoharu Iseki, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Tomoharu Iseki
- Size
- 2.2 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - iPad
Requires iPadOS 26.2 or later. - Mac
Requires macOS 26.4 or later. - Apple Vision
Requires visionOS 26.2 or later.
- iPhone
- Languages
English and 4 more
- English, German, Japanese, Korean, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Coffee (Large) $4.99
- Coffee (Medium) $2.99
- Coffee (Small) $1.99
- Copyright
- © 2026 Tomoharu Iseki