Privacy Policy

Last Updated: March 6, 2026

N3 Vault ("the App") is designed as an offline-first educational tool for JLPT N3 study. Your privacy is a priority, and this policy outlines our commitment to data protection.

1. Data Collection

N3 Vault does not collect, transmit, store, or sell any personal data, usage metrics, or study statistics to external servers. All study progress remains strictly on your local device.

2. Local Storage

All study data, including Spaced Repetition (SRS) intervals and settings, is stored locally in an SQLite database on your device. Deleting the App will permanently remove this data.

3. In-App Purchases

Transactions are processed securely through Apple’s App Store. We do not have access to your credit card information or billing address.

4. Contact Us

For any questions regarding this policy, please contact us at: kaji.hemopo@gmail.com