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AIFitLog Privacy Policy

Article 1. Operator Name and Contact

This Privacy Policy (the "Policy") explains how AIFitLog (individually developed) ("we," "us," or "our") handles user information in connection with AIFitLog (the "Service").

Article 2. Types of Information We Collect

In providing the Service, we mainly collect the following information.

  1. Account information
    Email address, password (stored in hashed form), display name or nickname, and identifiers from external services used for login, such as Google Account IDs and Apple IDs.
  2. Profile and settings information
    Height, weight, body fat percentage, other body composition information voluntarily entered by the user, and in-app settings such as language and unit preferences.
  3. Workout and body log information
    Exercise names, weights, repetitions, sets, workout dates and times, body weight, body fat percentage, other body data, and the dates and times of those records.
  4. Usage and technical information
    In-app activity history, device information such as OS type, browser type and version, IP address, and identifiers stored through cookies, local storage, or similar technologies.
  5. Notification-related information
    Push notification subscription information and reminder settings, including days, times, and enabled or disabled status.
  6. Inquiry information
    Inquiry details, email addresses needed for replies, and other information provided in connection with inquiries.

At present, we do not use tracking IDs or advertising SDKs for third-party ad delivery. If we introduce them in the future, we will update this Policy and the disclosures provided on the applicable app stores.

Article 3. Purposes of Use

  1. To provide and operate the Service
  2. To improve the Service and develop new features
  3. To provide AI-based analysis and recommendations
  4. To deliver notices and other communications, with the user's consent where required
  5. To prevent unauthorized use and ensure security
  6. To respond to legal requirements and other obligations

Article 4. Provision to Third Parties

We do not provide personal information to third parties except where we have the user's consent, where required by law, or where necessary to protect life, body, or property. When we use AI analysis services or similar services, we may provide information to the extent necessary for those services.

Article 5. Outsourcing

We outsource certain data processing to the following services.

We select and supervise such service providers appropriately.

Article 6. AI Services and Third-Party AI Integrations

  1. We may use third-party AI services such as OpenAI for workout recommendations, analysis, and related features.
  2. To the extent necessary to provide these features, workout logs, body composition logs, condition information, user IDs, and similar information may be sent to those services.
  3. Important: Please do not enter personal information such as your name, address, or phone number in free-text fields such as memo fields.
  4. Data handling by external AI service providers is governed by each provider's privacy policy.
  5. We will make reasonable efforts to process information sent to AI services in a form that does not directly identify individuals whenever possible.

Article 7. Use of Cookies, Local Storage, and Similar Technologies

We may use cookies, local storage, and similar technologies to provide the Service, improve convenience, and ensure security. Users can disable these technologies through their browser settings, but some features may become unavailable.

Article 8. Storage Location and Retention Period

User information is stored on servers operated by cloud service providers. These servers may be located outside Japan. After the purposes of use have been achieved, we will make reasonable efforts to delete or anonymize the information without undue delay.

Article 9. Viewing, Correcting, and Deleting Information

Users can view, edit, and delete their registered information and log data from within the app. If a request cannot be handled within the app, please contact us using the contact information in Article 1.

Article 10. Children's Information

  1. The Service is not available to children under 13 years of age. Users who are 13 years of age or older but under 18 years of age should use the Service with the consent of a parent or legal guardian.
  2. If we suspect that personal information of a user under 13 years of age has been collected without parental consent, we will promptly investigate and take necessary measures, such as deletion.

Article 11. Security Measures

We implement reasonable security measures, such as access controls, encryption, and log management, to help prevent unauthorized access, leaks, and similar incidents.

Article 12. Compliance with Laws and Guidelines

We comply with Japanese laws and guidelines regarding the protection of personal information, the EU General Data Protection Regulation (GDPR), and other applicable data protection laws, as well as privacy-related rules established by app stores such as Google Play and the App Store.

Users in the European Union have the right, under applicable law, to access, rectify, erase, restrict processing of, port, and object to the processing of their personal data. To exercise these rights, please contact us using the information in Article 1.

Article 13. Changes to This Policy

We may change this Policy as necessary. We will announce the changes and their effective date in advance through the Service, our website, or other appropriate means. If a user continues to use the Service after the changes take effect, the user will be deemed to have agreed to the revised Policy.

Article 14. Account Deletion

Requests to delete an account from outside the app can be submitted at delete.aifitlog.com.

Article 15. Contact

Established: January 1, 2026 / Last updated: April 24, 2026