Word Defense: Blue Hole Diver — Privacy Policy
Last updated: 2026-09-22 · 한국어
Word Defense: Blue Hole Diver (the “App”) respects your privacy and complies with applicable laws.
- The App has no sign-up or login and does not request or collect information that directly identifies you, such as your name, contact details, email, or national ID number.
- The App does not access sensitive data on your device such as photos, contacts, or precise location.
- However, to serve ads and measure ad performance, the information described in Sections 3 and 4 is collected automatically and sent to Google and Meta.
2. Local Data (On-Device Storage)
- Game progress (depth reached, stars earned, stage progress) and study settings (selected language, audio settings, etc.) are stored only on your device (SharedPreferences).
- This data is never sent to an external server and is deleted when you uninstall the App.
3. Ad Serving (Google Mobile Ads SDK / AdMob)
To keep the App free, it uses the Google Mobile Ads SDK (AdMob) by Google LLC to show interstitial ads. While loading and displaying ads, the following information is collected automatically and sent to Google.
| Data |
Details |
| Device identifiers |
Advertising identifier (IDFA, only if you allow tracking), vendor identifier (IDFV) |
| Coarse location |
Approximate location derived from IP address (country/city level) |
| Device & app info |
Device model, OS version, app version, language, time zone, network info |
| Ad & app interactions |
Ad impressions, views, clicks, and similar interaction data |
| Diagnostics |
Crash logs, performance data |
- Purpose: serving ads and ad personalization, measuring ad performance, analytics, fraud prevention, and SDK performance improvement
- Advertising identifier (IDFA): On first launch the App shows the iOS App Tracking Transparency prompt. IDFA is collected only if you allow tracking. If you decline, every feature of the App works the same and you see ads that do not use IDFA.
- Remove Ads: If you purchase the “Remove Ads” item, no ads are shown, and from the next launch the ad SDK is not initialized, so the data above is not collected.
- Retention: According to Google’s data retention policy. (Google data retention)
- For details on how Google handles data, see the Google Privacy Policy and Google advertising technologies.
To measure installs from ad campaigns, the App uses the Meta Platforms, Inc. SDK (Facebook SDK). When the App launches, the following information is collected automatically and sent to Meta.
| Data |
Details |
| Device identifier (IDFV) |
Apple’s vendor identifier. Reset when the App is uninstalled. |
| Device & app info |
Device model, OS version, app version, language, time zone |
| App usage |
App install and launch events |
- Purpose: measuring install performance of ad campaigns
- Retention: According to Meta’s data policy.
- The Meta SDK’s advertising identifier (IDFA) collection is disabled in the shipped App.
- For details, see the Meta Privacy Policy.
5. International Transfers
The information in Sections 3 and 4 is transferred abroad as follows.
| Item |
Google |
Meta |
| Recipient |
Google LLC |
Meta Platforms, Inc. |
| Country |
United States |
United States |
| Data transferred |
Items in Section 3 |
Items in Section 4 |
| When and how |
Over the network when ads are requested or shown |
Over the network when the App launches |
| Purpose |
Ad serving and personalization, ad measurement, analytics, fraud prevention |
Ad performance measurement |
| Retention |
Per Google’s data retention policy |
Per Meta’s data policy |
| How to refuse, and effect |
Decline ATT tracking or uninstall the App. Declining limits IDFA-based ad personalization and measurement, but the App’s core features remain available. |
Uninstall the App. This limits install measurement, but the App’s core features remain available. |
6. Sharing and Processing by Third Parties
- Other than Google LLC and Meta Platforms, Inc. as described in Sections 3 and 4, we do not share your information with third parties or outsource its processing.
7. Text-to-Speech (TTS)
- To play word pronunciations, the App uses the operating system’s built-in TTS (Text-To-Speech) engine (iOS/Android).
- No voice recordings or user data are sent or stored externally in this process.
8. Children’s Privacy
- The App is not primarily directed at children under 14 and does not collect personal information from children.
9. Your Rights
- Uninstalling the App deletes all local data stored on your device.
- On iOS you can withdraw tracking permission at any time in
Settings > Privacy & Security > Tracking. On Android you can reset or delete your advertising ID in Settings > Privacy > Ads.
- For privacy inquiries or deletion requests, please contact us below.
- Developer/Operator: Word Defense team
- Email: tkdhi0107@gmail.com
11. Changes to This Policy
- Changes will be announced through the App Store listing and this page.