Last updated: June 3, 2026
This Privacy Policy describes how the mobile app "TOPIK Vocab"
(hereinafter "the App") handles information.
1. Information We Collect
The App collects and uses the following information.
1.1 Information stored only on your device
- Learning progress (IDs of studied words, your
I know / I don't know
selection history, counts)
- Study activity records (number of answers per day)
- Automatically aggregated "weak words" data
- In-app settings (theme, screen orientation, ID of the last chapter studied)
This information is stored only in your device's local storage (AsyncStorage)
and is never transmitted to the App provider's servers. It is deleted when you
uninstall the App.
1.2 Information collected or processed through third-party services
The App integrates the following third-party SDKs. Information is processed in
accordance with each provider's privacy policy.
- Google AdMob (ad delivery in the free version)
- The app requests non-personalized ads only. It does not use the
advertising identifier (IDFA) to track you.
- Data processed: IP address, general device/OS information, and
aggregated ad impression/interaction data (for ad delivery, fraud
prevention, and frequency capping). This data is not used to track
you by linking it with data from other companies' apps.
- Privacy policy: https://policies.google.com/privacy
- Apple App Store / Google Play (app distribution and payment processing,
including in-app purchases)
In-app purchases are processed directly by the Apple App Store (StoreKit) and
Google Play Billing. The App provider never directly receives payment details
themselves (such as card numbers).
2. How We Use Information
Collected information is used solely for the following purposes.
- Displaying learning progress and statistics (processed on-device)