Privacy Policy

Hanas TOKYO (hereinafter referred to as the "Operator") establishes the following privacy policy (hereinafter referred to as this "Policy") regarding the handling of user information in "Yometa" (hereinafter referred to as the "App"), a mobile application for iOS/Android provided by the Operator.

Article 1 (Information We Collect)

The Operator may collect the following information in providing the App.

• Account identifiers (the user ID issued by anonymous authentication; where an external authentication service such as Apple or Google is used, the user identifier provided by that service)
• The user name registered by the User
• Learning data (reading speed (WPM), articles completed, quiz results, points earned, streak, study time, words saved to the vocabulary list, etc.)
• Content entered into the AI question feature (the selected word, the quoted sentence and the question text)
• Information about Paid Plan purchases (purchase date, expiry date, etc. The Operator does not obtain payment information such as credit card numbers; this is handled by the App Store / Google Play and the payment management provider)
• Data about how the App is used (frequency of use, feature usage, etc.)
• Device information (OS type and version, device model, etc.)
• Crash reports and error logs (to improve the stability of the App)

Article 2 (Purposes of Use)

The Operator uses the collected information for the following purposes.

• To provide, maintain and improve the Service
• To manage and authenticate User accounts
• To store learning data and synchronize it across devices
• To provide the ranking feature (user names, WPM and points earned are displayed to other Users)
• To generate answers through the AI question feature
• To verify Paid Plan purchases and provide the associated benefits
• To analyze how the App is used and improve the quality of the Service
• To detect and fix defects and errors in the App
• To respond to inquiries from Users
• To detect and respond to conduct that violates the Terms of Use

Article 3 (Information Disclosed to Other Users)

Through the ranking feature of the App, a User's user name, reading speed (WPM) and points earned are disclosed to other Users. Please do not use your real name or any other personally identifiable information as your user name.

Article 4 (Provision to Third Parties)

The Operator does not provide Users' personal information to third parties except in the following cases.

• Where the User has given consent
• Where disclosure is required by laws and regulations
• Where it is necessary to protect the life, body or property of a person and it is difficult to obtain the User's consent
• Where information is provided to a subcontractor to the extent necessary to operate the Service (in which case the Operator requires appropriate management by the subcontractor)

Article 5 (Use of External Services)

The App uses the following external services. For how each service handles information, please review that service's privacy policy.

• Firebase (Google LLC): authentication, database, server processing and crash reporting
• OpenAI (OpenAI, L.L.C.): generating answers for the AI question feature and learning content such as quizzes and word explanations. Content entered into the AI question feature (word, quoted sentence and question text) is sent for processing
• xAI (X.AI Corp.): automatic generation of the delivered articles. No personal information of Users is sent
• RevenueCat (RevenueCat, Inc.): management of subscriptions (the Paid Plan)
• Apple Sign In (Apple Inc.) / Google Sign-In (Google LLC): authentication (where external authentication is used)

In addition, an advertising service (such as Google AdMob) may be introduced in the future. If it is introduced, this Policy will be updated and notice will be given.

Article 6 (Storage and Management of Data)

Users' learning data is stored in the cloud using the Firebase service provided by Google LLC. The Operator takes appropriate technical and organizational security measures and endeavors to ensure the safety of the data.

However, the safety of data transmission over the internet and of electronic data storage methods cannot be completely guaranteed.

Article 7 (Deletion of Data)

Users can delete their account and the associated learning data through the account deletion feature in the settings menu of the App.

After account deletion, the Operator will delete the User's data within a reasonable period. However, data may remain for a certain period where there is a retention obligation under laws and regulations or for technical reasons such as backups. Note that deleting an account does not cancel a Paid Plan subscription; cancellation must be performed from the subscription management screen of the respective store.

Article 8 (Cookies and Tracking)

The App may collect anonymous analytics data in order to analyze how the App is used. This data does not identify individuals and is used solely for the purpose of improving the Service.

Article 9 (Use by Minors)

The Operator does not knowingly collect personal information from persons under the age of 16. If it becomes known that a person under 16 has provided personal information, the Operator will endeavor to delete such information promptly.

Article 10 (Changes to this Policy)

The Operator may change the content of this Policy as necessary. In the event of a material change, notice will be given within the App or on a related website.

If a User continues to use the App after such a change, the User is deemed to have agreed to the revised privacy policy.

Article 11 (Contact)

For inquiries regarding this Policy, please contact us at the following address.

hanas.app.team@gmail.com