Privacy Policy

Sho Fujimoto (hereinafter referred to as "Developer") establishes this privacy policy (hereinafter referred to as "this Policy") regarding the handling of user information in the mobile application "AI Teacher" (hereinafter referred to as "this Application") provided by the Developer. This Application is provided as an ad-supported service and is intended for use "AS IS". This Policy aims to comply with the Act on the Protection of Personal Information (hereinafter referred to as the "APPI") and to appropriately protect users' privacy information.

Article 1 (Definition of Privacy Information)

In this Policy, "Privacy Information" refers to a combination of "Personal Information" and "Usage History and Characteristic Information."

  1. Personal Information: Refers to "personal information" as defined by the APPI. Specifically, it refers to information that can identify a specific individual, such as name, contact information (email address, phone number, etc.), account identifiers, and other descriptions.
  2. Usage History and Characteristic Information: Refers to information other than the "Personal Information" above, which is collected when a user uses this Application. Specifically, this includes functions used, pages of this Application visited, date and time of visits, time spent on those pages, time spent on this Application, input information for the generative AI (including text and text data extracted from images, which will not be stored on the Developer's servers), search keywords, usage methods, usage environment (OS information of the terminal, device model name, communication status, settings, etc.), IP address, cookie information, location information (if permission is granted by the user), advertising identifiers (e.g., IDFA, AAID), and unique device identifiers.

Article 2 (Method of Collecting Privacy Information)

The Developer may collect users' Privacy Information in the following ways:

  1. Information Provided by the User: When a user registers an account (this Application may use account information provided by Apple Inc. or Google LLC for subscription management, etc.) or uses an inquiry form, etc., the user may be asked to provide personal information such as email address and other information.
  2. Automatic Collection through Application Use: For improving user convenience, service improvement, and displaying appropriate advertisements, Usage History and Characteristic Information related to the use of this Application (access logs, operation history, pages of this Application visited, date and time of visits, time spent on those pages, input information for the generative AI, purchase information, etc.) and usage environment (terminal information, OS information, IP address, cookies, advertising identifiers, location information) may be automatically collected.
  3. Access to Camera Roll: To use the text recognition function for images within the camera roll in this Application, the Application may request permission to access the user's device camera roll (photo library). Through this access, image data explicitly selected by the user will be temporarily used on the device for text extraction processing, and the extracted text data will be used as input information for the generative AI. The selected image data and the extracted text data will not be stored on the Developer's servers. Granting access permission is voluntary for the user, but if refused, the relevant function may not be available.
  4. Access to Camera (Live Shooting): To use the photo shooting function and the text recognition function for photographed images within this Application, the Application may request permission to access the user's device camera. Image data obtained through this access will be temporarily used on the device for text extraction processing, and the extracted text data will be used as input information for the generative AI. The image data and the extracted text data will not be stored on the Developer's servers. Granting access permission is voluntary for the user, but if refused, the relevant function may not be available.
  5. Subscription Information: Purchase information related to subscriptions for this Application is collected through the Apple App Store or Google Play Store. The Developer does not directly acquire or store users' credit card information or other payment information.
  6. Location Information: This Application may collect the user's device location information (only if permission is granted by the user). Collected location information is used for providing personalized content, relevant recommendations, location-based service functions, analyzing user behavior, identifying trends, improving the overall performance and functionality of this Application, and optimizing advertisements.

Article 3 (Purpose of Use of Privacy Information)

The Developer will use the collected Privacy Information for the following purposes:

  1. To provide, maintain, protect, and improve this Service (including response generation by generative AI, provision of text extraction functions from photos, and provision of personalized content).
  2. For user identity verification, authentication, and account management.
  3. To respond to inquiries from users.
  4. To provide important notices, necessary notifications, and marketing promotions related to this Application.
  5. To respond to acts violating the terms of use and to prevent fraudulent use.
  6. For analysis of the usage status of this Service, creation of statistical data, service improvement, and new service development.
  7. (When involving camera access and camera roll access) To provide photo shooting functions or image selection functions from the camera roll, to process text extraction from image data, and to process the input of said text data to the generative AI.
  8. To provide and manage subscription services and related notifications.
  9. For the delivery of advertisements and measurement of their effectiveness (information collected may be analyzed to select and display advertisements presumed to be of higher interest to the user).
  10. For purposes incidental to the above purposes of use.

Article 4 (Regarding Use of Generative AI)

This Application uses generative AI technology provided by third parties (e.g., OpenAI, Google, etc.; hereinafter referred to as "AI Service Providers") for generating responses to users. Information input by users (text and text data extracted from images) may be transmitted to the servers of said AI Service Providers for the purpose of response generation. Regarding how transmitted information is handled by said AI Service Providers, please check the privacy policies of said AI Service Providers. (The names of AI Service Providers and links to their privacy policies will be separately posted within the Application or on the Developer's website.) The Developer does not store users' input information on the Developer's servers.

Article 5 (Use of Third-Party Services and Information Collection Modules)

This Application may use services and information collection modules provided by the following third parties for service provision, usage analysis, advertisement delivery, etc. Regarding the information acquired by these third parties, their purposes of use, privacy policies, opt-out methods, etc., please check the websites of each company.

  1. Google Play Services
  2. AdMob
  3. Expo

The Developer may periodically transmit only aggregated and anonymized data, which does not identify individuals, to external services for the purpose of improving this Application and its services.

Article 6 (Provision of Privacy Information to Third Parties)

Except in the cases listed below and as stipulated in Article 4 and Article 5, the Developer will not provide Personal Information to a third party without obtaining the prior consent of the user.

  1. When required by law.
  2. When it is necessary for the protection of a person's life, body, or property, and it is difficult to obtain the consent of the individual.
  3. When it is particularly necessary for improving public health or promoting the sound upbringing of children, and it is difficult to obtain the consent of the individual.
  4. When it is necessary to cooperate with a state organ, a local government, or an individual entrusted by either of the foregoing in executing affairs prescribed by laws and regulations, and obtaining the consent of the individual is likely to impede the execution of the affairs concerned (including responding to fraud investigations and government requests).
  5. When entrusting the handling of Personal Information in whole or in part within the scope necessary for the achievement of the purpose of use (outsourced parties are limited to trusted service providers who perform work on behalf of the Developer, do not independently use the disclosed information, and have agreed to adhere to the rules set forth in this privacy statement. Appropriate supervision will be exercised over outsourced parties).
  6. When Personal Information is provided as a result of the succession of business in a merger or otherwise.
  7. When the Developer, in good faith, deems disclosure necessary to protect the Developer's rights, protect the user's safety or the safety of others.

Article 7 (Disclosure, Correction, Suspension of Use, etc., of Personal Information)

  1. When a user requests notification of the purpose of use, disclosure, correction, addition, or deletion of their own Personal Information, or suspension of use or erasure, or suspension of provision to third parties (hereinafter collectively referred to as "Disclosure, etc.") based on the provisions of the APPI, the Developer will respond without delay after confirming the identity of the individual. (If the said Personal Information does not exist, the user will be notified to that effect.) However, this does not apply if the Developer is not obligated to perform Disclosure, etc. under the APPI or other laws and regulations.
  2. A fee of 1,000 yen per request may be charged for notification of the purpose of use and disclosure of Personal Information.
  3. For specific procedures regarding requests for Disclosure, etc., please contact the inquiry desk in Article 16.

Article 8 (Correction and Deletion of Personal Information)

  1. If a user's own Personal Information held by the Developer is incorrect, the user may request the Developer to correct or delete the Personal Information according to the procedures established by the Developer.
  2. If the Developer determines that it is necessary to respond to the request from the user as described in the preceding paragraph, the Developer will correct or delete the said Personal Information without delay and notify the user of this.

Article 9 (Opt-Out Rights)

Users can easily stop all collection of user information by this Application by uninstalling it. Please use the standard uninstallation procedures available as part of your mobile device or via the mobile application marketplace (App Store, Google Play Store, etc.). Furthermore, if you do not wish to receive personalized advertisements, you can restrict the use of advertising identifiers by changing your mobile device's OS settings (e.g., "Limit Ad Tracking" for iOS, or "Opt out of Ads Personalization" for Android). However, this will not prevent advertisements from being displayed.

Article 10 (Data Retention Policy)

The Developer will retain collected user information for as long as the user uses this Application and for a reasonable period thereafter necessary for service provision, compliance with legal obligations, dispute resolution, and contract enforcement. If you wish to delete User Provided Data that you have provided via this Application, please contact the inquiry desk in Article 16. We will respond within a reasonable time.

Article 11 (Children's Privacy)

The Developer does not knowingly collect Personal Information from children under the age of 13 or market to children under the age of 13. This Application is not intended for anyone under the age of 13. In the event that the Developer discovers that a child under 13 has provided Personal Information, the Developer will immediately delete this from their servers. If you are a parent or guardian and you are aware that your child has provided us with Personal Information, please contact the inquiry desk in Article 16 so that the necessary actions can be taken.

Article 12 (Security of Privacy Information)

The Developer is concerned about safeguarding the confidentiality of your information and takes necessary and appropriate measures, including physical, electronic, and procedural safeguards, to prevent leakage, loss, or damage of Privacy Information handled and to otherwise securely manage it. The Developer strives to implement technical and physical security measures. Specifically, this includes communication encryption, implementation of access control, and non-storage of data (especially photos and extracted text). For specific details of security management measures, please contact the inquiry desk in Article 16.

Article 13 (Changes to Privacy Policy)

  1. The Developer may change the contents of this Policy from time to time as necessary.
  2. The revised Privacy Policy will be announced by updating it within this Application or on this page (the page where the privacy policy is posted). Users are advised to consult this Policy regularly for any changes. If the changes require user consent under applicable laws, the Developer will obtain user consent in a manner prescribed by the Developer. Continued use of this Application after changes (excluding changes requiring consent under applicable laws) will be deemed approval of all changes.

Article 14 (Governing Law)

Example: The interpretation of this Policy shall be governed by the laws of Japan.

Article 15 (Consent)

By using this Application, you are consenting to the processing of your information (collection, use, provision, etc.) as set forth in this Policy, including future revisions.

Article 16 (Contact Us)

For inquiries regarding this Policy, questions about privacy practices, or requests for disclosure, correction, suspension of use, deletion, etc., of Personal Information, please contact the following:

Developer: Sho Fujimoto (Personal Information Handling Manager: Sho Fujimoto) Contact: zero@zerotoone.app

Date of Enactment: [May 12, 2025]