fit-ai | Empower Your Will

At fit-ai, we are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and services.

Information We Collect

We collect various types of information to provide and improve our services:

Account Information: Email address, password, and profile details you provide during registration.
Workout Data: Exercise records, sets, reps, weights, and training history you log in the app.
Body Metrics: Height, weight, body composition data, and fitness goals you choose to share.
Device Information: Device type, operating system, app version, and usage analytics.
Advertising Identifiers: We collect your advertising ID and device identifiers to deliver and measure ads.

How We Use Your Information

We use the collected information for the following purposes:

To provide, maintain, and improve our fitness tracking services.
To power AI-driven features such as personalized workout recommendations and coaching.
To analyze usage patterns and enhance user experience.
To respond to your inquiries and provide customer support.

Data Protection

We implement industry-standard security measures to protect your personal information. All data is encrypted in transit using TLS and at rest using AES-256 encryption. We regularly review and update our security practices to ensure the safety of your data.

Cookies and Tracking

Our mobile app may use local storage and similar technologies to enhance your experience. Our website uses cookies for analytics and to remember your preferences. You can control cookie settings through your browser.

Third-Party Services

We may use third-party services for analytics, cloud storage, authentication, and advertising. We use Google AdMob to deliver ads, and advertising identifiers such as your advertising ID may be shared with Google to display and measure ads. These services have their own privacy policies, and we encourage you to review them. We do not sell your personal information to third parties.

Data Sharing with Third-Party AI Services

When you use our AI Coaching features (AI Advice, Nutrition Advice, Custom Prompts, etc.), the following personal data is transmitted to third-party AI service providers located in the United States.

Data we send

Training records (exercises, sets, reps, weights, workout history)
Body composition records (weight, body fat, muscle mass, fatigue level, PR records)
Meal records (food entries, macronutrient data)
Goal settings (goal type, target values)
Profile (gender, age, height)

Recipients

Google LLC (United States) — via the Gemini API — Google Privacy Policy

Data protection level

We confirm that this third-party AI provider offers the same or equivalent level of data protection as required by this Privacy Policy. The provider operates under international data protection frameworks (GDPR / CCPA, etc.).

Obtaining consent

Data transmission only occurs after you have explicitly granted consent through the in-app AI Coaching consent dialog. You may withdraw consent at any time from Settings → AI Coaching → 'Allow data sharing with third-party AI'. No further data is transmitted after withdrawal.

How the data is handled

Transmitted data is used only to generate the requested advice for that session. Google AI does not use this API-routed data for purposes other than serving our application (in accordance with each provider's API terms-of-use, which exclude API data from training).

Your Rights

You have the following rights regarding your personal information:

Access: Request a copy of the personal data we hold about you.
Correction: Request correction of inaccurate or incomplete data.
Deletion: Request deletion of your personal data and account.
Data Portability: Export your workout data in a standard format.

Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us at support@fit-ai.jp