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Tooth Calendar Privacy Policy

Effective date: October 22, 2026 · Operator: Studio Ancoach (안코치스튜디오)

Tooth Calendar (“the app”) sends parents reminders and articles timed to their child’s dental development. The app has no sign-up and the operator runs no server. The operator does not collect or store your personal information. This policy explains how information is handled inside the app and what the advertising service included in the app processes.

1. Information kept only on your device

The following information you enter is stored only on your device and is never sent to the operator or any third party:

This information is used only to calculate the notification schedule and display the app. Notifications are local notifications scheduled on the device and do not pass through any server. The date of birth is never included in any network request, including ad requests.

If you have turned on operating-system backup (Android Auto Backup or iCloud Backup), this information may be included in your own backup. That backup is managed in your Google or Apple account, and the operator cannot access it.

2. Advertising and information processed by the ad service

The app is free and shows one Google AdMob banner, labeled “Advertisement”, below the text of article screens for parents. No ads are shown on the toothbrushing timer screen that children use.

You can reset or limit the advertising ID in your device settings (Android: Settings › Privacy › Ads; iOS: Settings › Privacy & Security › Apple Advertising).

3. App update check

When it starts, the app downloads one small version file from this website (GitHub Pages) so it can tell you when a new version is available. The request contains no personal information: no child details, date of birth, settings or device identifiers. As with any internet request, GitHub may process technical information such as your IP address, under the GitHub General Privacy Statement.

4. Ads and cookies on this website (blog)

Article pages on this website may show one Google AdSense ad, labeled “Advertisement”, at the end of the article. The website has no sign-up or input forms, and the operator does not collect visitors’ personal information.

5. Sharing and processors

Because the operator does not collect personal information, it does not share it with or entrust it to anyone. The ad services (Google AdMob in the app, Google AdSense on this website) process the information in sections 2 and 4 directly under Google’s policies.

6. Retention and deletion

Information on your device stays there until you delete it. Tapping Settings › Delete all data in the app, or uninstalling the app, removes all of it from the device. Data export in settings saves your records as a file on the device; it is not sent to the operator.

7. Children’s information

The app is intended for parents and guardians (adults). Information about a child is entered by the parent and never leaves the device. The app does not request personalized ads targeted at children.

8. Your rights

You can edit or delete your information in the app at any time. The operator holds no copy of your information, so there is nothing separate to access, correct or delete on request. Rights regarding information processed by the ad service can be exercised through Google.

9. Medical disclaimer

Articles in the app are general educational information and do not replace professional care. Please consult a dentist about your child’s condition.

10. Contact

Privacy contact: Studio Ancoach (안코치스튜디오)
Email: ancoachcustom@gmail.com

11. Changes

If this policy changes, the update and its effective date will be posted on this page.