Effective date: 22/02/2026
Japanese 4K Vocabulary (“the app”) respects your privacy. This Privacy Policy explains what information is collected, how it is used, and your rights when using the app.
Information We Collect
The app does not collect, store, or transmit personal data such as:
- Names
- Email addresses
- Location data
- Contacts
- User accounts or profiles
You can use the app fully without providing any personal information.
In-App Purchases
The app offers a one-time optional purchase to unlock additional vocabulary content.
Purchases are processed securely by Apple through the App Store. The developer does not receive:
- Payment details
- Apple ID information
- Billing data
Please refer to Apple’s privacy policy for details on how purchase data is handled.
Usage Data
The app does not include third-party advertising or analytics frameworks.
Basic app functionality, such as remembering unlocked content or quiz progress, may use local device storage only.
This data:
- Stays on your device
- Is not transmitted externally
- Can be removed by deleting the app
Third-Party Content
Vocabulary data in this app is derived from the JMdict/EDICT dictionary project and is used under appropriate licensing. This data contains no personal information.
Data Security
Because the app does not collect personal data, there is no external storage of user information. Any locally stored settings remain on your device.
Children’s Privacy
The app does not knowingly collect personal information from children. It is safe for general educational use.
Changes to This Policy
This Privacy Policy may be updated occasionally to reflect changes in the app or legal requirements. Updates will be posted on this page.
Contact
If you have questions about this Privacy Policy, please contact:
peters456@btinternet.com