Privacy Policy

BopoWrite ・ Effective: April 25, 2026

TL;DR: This app runs entirely offline. We do not collect, transmit, or share any personal data. All practice records stay on your device.

Thank you for using BopoWrite ("the App"). This policy explains what data the App handles on your iPhone or iPad, and how it is used.

1. We do not collect any personal data

BopoWrite is a fully offline tool for learning Bopomofo (Zhuyin) and Chinese-character stroke order. All features work entirely on your device. No internet connection, account, or sign-in is required.

Specifically, we do not:

Nocollection of name, email, phone, birthday, or any personally identifiable information
Nocollection of location data (GPS, IP address, etc.)
Nocollection of device identifiers or advertising IDs (IDFA)
Nocollection of usage behavior, interaction logs, or crash reports
Notransmission of data to any server (ours or third-party)
Noanalytics, advertising, or tracking SDKs

2. What is stored on your device?

To preserve your practice progress, the App stores the following on your device only:

Child nickname (entered by you; can be edited or deleted at any time)
Practice progress (which symbols/characters are completed, completion counts, etc.)
App preferences (e.g. currently selected child profile)

This data is stored in iOS local storage (UserDefaults and a local SQLite database). Only this App can read it. You may clear it at any time using the in-app "Reset Progress" button, or by deleting the App entirely.

3. Third-party services

The App uses no third-party SDKs. In particular:

No analytics or crash-reporting tools (Google Analytics, Firebase, Crashlytics, etc.)
No advertising platforms (AdMob, etc.)
No third-party sign-in (Google, Facebook, Apple, etc.)
No cloud-sync or cloud-backup services

4. Children's privacy

BopoWrite is designed for children's learning, but does not collect any data from any specific user. In accordance with Apple's App Store rules for the Kids Category, the App:

Does not display any advertising
Does not collect personal information from children
Provides no external links or social features
Has no in-app purchases (IAP)

The App complies with the U.S. Children's Online Privacy Protection Act (COPPA) and the EU General Data Protection Regulation (GDPR) where applicable.

5. Permissions

The App does not request access to camera, microphone, photos, contacts, location, Bluetooth, notifications, or any other system permission.

6. Updates to this policy

If this policy is updated, we will revise this page and update the "Effective" date at the top. Please check back periodically for the latest version.

7. Contact us

If you have questions or feedback regarding this policy, contact:

Email: [email protected]