Privacy Policy

Last Updated: May 23, 2025

This Privacy Policy (hereinafter referred to as "this Policy") explains the handling of personal information and other data in HimaLink (hereinafter referred to as "this App").

1. Information We Collect

This App may collect the following information:

• Account Information: Information provided during user registration (email address, password, Google account information, Apple ID information, etc.).
• Profile Information: Information optionally set by the user (name, icon image, bio, etc.).
• Friend Information: Friend lists and information related to friend requests.
• Post Information: Posts created by users (text, images, etc.) and reactions to them.
• Free Time Information: Information about the user's registered free time.
• Chat Information: Content of chat messages between users and related information.
• Usage Data: Usage history of this App (access logs, operation logs, etc.), features used, and setting information (theme, language, etc.).
• Device Information: OS version, device model, IP address, advertising ID (if applicable), and other device-specific information. This may be collected to improve the performance of this App, investigate issues, and maintain security.
• Location Information: If permitted by the user, this may be collected to provide features based on location, such as searching for nearby friends.
• QR Code Information: Information processed when generating or scanning QR codes for profile sharing.
• Notification-Related Information: Delivery status and open status of push notifications, etc.
• Inquiry Information: Content of inquiries from users, contact information, etc.

2. Purpose of Data Usage

The collected information is used for the following purposes:

• Providing and operating this App (user authentication, profile management, friend features, timeline display, free time sharing, chat functionality, etc.).
• Notifying users (new messages, reactions, friend requests, important announcements, etc.).
• Improving the features of this App, developing new services, and fixing bugs.
• Enhancing and personalizing the user experience.
• Responding to user inquiries and providing support.
• Addressing violations of the Terms of Service.
• Creating statistical data (used in a way that does not identify individuals).
• Displaying maintenance mode and implementing forced/recommended update notifications.

3. Data Sharing and Disclosure

This App will not share or disclose users' personal information with third parties except in the following cases:

• When the user has given explicit consent.
• When disclosure is required by law.
• When it is necessary for the protection of the life, body, or property of an individual and it is difficult to obtain the consent of the person.
• When it is particularly necessary for improving public health or promoting the sound growth of children and it is difficult to obtain the consent of the person.
• When it is necessary to cooperate with a state organ, a local government, or an individual or entity entrusted by either of the former two in executing the affairs prescribed by laws and regulations and obtaining the consent of the person is likely to impede the execution of the affairs.
• When entrusting the handling of personal information to a service provider (including cloud service providers like Firebase) to the extent necessary for providing the service. In such cases, we will exercise necessary and appropriate supervision over the service provider. For information collected by Firebase, please also review Google's Privacy Policy (https://policies.google.com/privacy).

4. Data Retention

• Collected personal information will be retained for the period necessary to achieve the purpose of use, or for the period stipulated by laws and regulations.
• Users can delete their personal information stored in this App by deleting their account. However, this does not apply to information that is required to be stored for a certain period by laws and regulations.
• Data that is no longer needed will be appropriately deleted or anonymized.

5. User Rights

Users have the following rights (which may be restricted by laws and regulations):

• The right to access and confirm their personal information.
• The right to correct, add, or delete their personal information.
• The right to request the suspension of use or deletion of their personal information.
• The right to request the suspension of provision of their personal information to third parties.
• The right to contact us regarding this Privacy Policy.

If you wish to exercise these rights, please contact us at the address provided in "10. Contact Information" below.

6. Data Security

We implement technical and organizational security measures to protect user data from unauthorized access, loss, destruction, alteration, and leakage. However, please understand that no method of data transmission over the internet or electronic storage is absolutely secure.

7. Use of Firebase

This App uses various Firebase services to provide features and improve services. Specifically, these include:

• Firebase Authentication: User authentication via email and password, Google Sign-In, and Apple Sign-In.
• Cloud Firestore: Storing and synchronizing data such as user information, posts, free time, and chats.
• Firebase Storage: Storing files such as user icons and posted images.
• Firebase Functions: Executing server-side logic such as controlling the display of posts and free time, and notification-related processing.
• Firebase Cloud Messaging (FCM): Sending push notifications.
• Firebase Remote Config: Remotely controlling app behavior (such as turning maintenance mode on/off and specifying update versions).
• Firebase Crashlytics: Collecting and analyzing app crash information.
• Firebase Analytics: Analyzing user app usage.

For information collected by Firebase, its purpose of use, provision to third parties, etc., please review Google's Privacy Policy (https://policies.google.com/privacy) and Firebase documentation.

8. Children's Privacy

This App is not intended for children under 13 years of age. We do not intentionally collect personal information from children under 13. If you are a parent or guardian who believes that your child may have provided personal information without your consent, please contact us at the address provided in "10. Contact Information" below.

9. Changes to This Policy

This Policy may be updated without prior notice in response to amendments to laws and regulations, changes in service content, etc. The revised Privacy Policy becomes effective when published in this App or on our website. We will notify users of significant changes through in-app notifications or other appropriate methods.

10. Contact Information

For questions, comments, complaints, or inquiries regarding the handling of personal information in relation to this Policy, please contact us at:

📧 contact@mysterylog.com