Privacy Policy

Article 1 (Purpose of Processing)

BaeuGO (the "App") is operated with the following purposes.

• Providing Korean vocabulary, grammar, and TOPIK exam-prep content
• Managing learning progress and spaced-repetition review
• Sending study reminder notifications
• Processing in-app subscriptions (배우GO Plus)

Article 2 (Items Collected)

The App works without sign-up or login and does not itself collect personally identifying information. Learning data is stored only on your device. The items below apply only when you use certain features.

Article 3 (In-App Purchases)

Subscriptions are processed through Google Play or the Apple App Store together with RevenueCat, Inc. (United States), our subscription-management provider.

For subscription management, receipt validation, and fraud prevention, RevenueCat processes your purchase history, an anonymous app-user identifier it generates, device and OS information, and IP-derived country. No login is required, and this data is not linked to your real-world identity.

We operate no server of our own and do not separately store your data.

RevenueCat Privacy Policy: revenuecat.com/privacy

Article 4 (Provision to Third Parties)

We do not provide information we directly collect to third parties.

However, data may be transferred to the following operators when you use their services:

• Subscriptions: purchase history and an anonymous identifier to the app stores (Google/Apple) and RevenueCat, Inc. (see In-App Purchases)
• Voice output: pronunciation uses pre-generated audio bundled in the App and the on-device OS speech engine; no external transmission

Article 5 (International Transfer)

Because the App is offered worldwide, some data is processed on servers located outside your country:

• RevenueCat, Inc. (United States) — purchase history and device/identifier data for subscription management
• Apple Inc. / Google LLC — payment and subscription processing

Article 6 (Retention and Use Period)

All learning data the App stores (progress, review queue, profile name, settings) is kept only on your device and is destroyed immediately when the App is deleted.

Retention of purchase-related data follows the policies of the app stores and RevenueCat.

Article 7 (Your Rights)

You can delete stored data at any time.

• Learning records: App settings → Reset data
• All on-device data: delete the App from your device
• Purchase data: contact us below to request deletion of RevenueCat-held data

If you change devices, use "Restore purchase" on the paywall to transfer your subscription.

Article 8 (Privacy Officer)

For privacy inquiries, please contact us below.

• Operator: 매듭연구소
• Email: knotlabdev@gmail.com