Privacy Policy

This app (the “App”) establishes the following Privacy Policy regarding the handling of users’ personal information and usage information.

1. Business Operator Information

• Company Name: Sakiyomi Co., Ltd.
• Representative: Takeo Ishizuka
• Address: 1-9-6 Sakaecho, Hamura-shi, Tokyo, Japan
• Contact Email Address: contact@sakiyomi.co.jp
• Contact Form: https://sakiyomi.co.jp/contact/

2. Information We May Collect

The App may collect the following information.

2.1 Information Provided by Users

• Name
• Email address
• Phone number
• User ID and account information
• Inquiry details
• Any other information entered by users within the App

2.2 Information Collected Automatically

• Device information (such as OS, device model, language settings, etc.)
• App usage information (such as launch date/time, operation history, usage status, etc.)
• IP address
• Advertising ID
• Information collected through cookies, SDKs, and similar technologies
• Crash logs, error logs, and diagnostic information
• Location information (with the user’s consent)
• Information collected through permissions such as camera, microphone, photos, contacts, storage, etc. (when necessary)

Note: Please remove any items that are not actually collected by the App.

3. Purposes of Use

The App uses the collected information for the following purposes:

• To provide, operate, and maintain the App
• To verify identity and authenticate logins
• To respond to inquiries
• To analyze usage, improve quality, and enhance features
• To investigate issues, respond to failures, and ensure security
• To prevent and address violations of the Terms of Use or fraudulent use
• To provide important notices to users
• To deliver advertisements and measure advertising effectiveness (if applicable)
• To provide personalized features (if applicable)
• To comply with applicable laws or terms

4. Provision and Sharing with Third Parties

The App will not provide acquired personal information to third parties except in the following cases:

• When the user has given consent
• When disclosure is required by law
• When necessary to protect a person’s life, body, or property
• When especially necessary for improving public health or promoting the sound growth of children
• When cooperation with national or local government authorities is required

However, the App may use external services, cloud services, SDKs, analytics tools, advertising delivery tools, and similar services such as the following. In such cases, the service providers may collect user information or usage information:

• Apple (App Store, StoreKit, TestFlight, etc.)
• Google Firebase
• Google Analytics for Firebase
• Google AdMob

For details regarding the information collected by each external service, the purposes of use, and whether such information is shared with third parties, please also refer to the privacy policies of the respective service providers.

5. Security Management of Information

The App will take reasonable security measures to prevent unauthorized access, leakage, loss, or alteration of acquired information.

However, please understand that complete security cannot always be guaranteed for internet communications and electronic storage methods.

6. Retention Period

The App will retain acquired information for as long as necessary to achieve the purposes of use or for the period required by law.

After the retention period expires or the purpose of use has been fulfilled, the information will be deleted or anonymized by reasonable means.

7. Deletion of User Data

Users may request disclosure, correction, suspension of use, deletion, or other handling of their personal information held by the App, where applicable.

If you wish to make such a request, please contact us using the contact information below.

• Contact: contact@sakiyomi.co.jp
• How to Request Deletion: Contact form / Email

Note: If the App provides an account deletion feature, please specifically describe the procedure here.

8. Permissions

The App may use the following permissions to provide its functions:

• Camera: [Example: Taking profile pictures]
• Photos / Storage: [Example: Uploading and saving images]
• Location: [Example: Displaying nearby information]
• Microphone: [Example: Voice input feature]
• Notifications: [Example: Delivering important notices]

These permissions will be used only after obtaining the user’s consent at the appropriate time.

9. Children’s Personal Information

If the App is intended for children or handles children’s personal information, the App will comply with applicable laws and Google Play policies and implement necessary protective measures.

Even if the App is not primarily intended for children, the developer will strive to avoid inappropriate data collection.

10. International Data Transfers

The servers of cloud services or external service providers used by the App may be located outside Japan.

Even in such cases, information will be handled appropriately in accordance with applicable laws and this Privacy Policy.

11. Changes to This Policy

This Privacy Policy may be revised as necessary due to changes in laws, changes in service content, or other reasons.

If there are any material changes, users will be notified within the App or on the website.

12. Effective Date and Last Updated Date

• Effective Date: June 1, 2026
• Last Updated: June 1, 2026

13. Contact

If you have any questions regarding this Policy, please contact us at:

• Developer Name: Sakiyomi Co., Ltd.
• Email Address: contact@sakiyomi.co.jp