Lotto Generator – Privacy Policy
Last updated: April 22, 2026
This Privacy Policy explains how Lotto Generator ("we", "our", or "the app") collects, uses, and protects information when you use our Android application.
1. Information We Collect
a) Automatically Collected Data (via Google AdMob) We use Google AdMob to display advertisements. AdMob may collect:
- Device identifiers (Advertising ID)
- IP address
- General location (country/region level)
- App usage and interaction data
This data is collected and processed by Google LLC. For more information, see Google's Privacy Policy.
b) Locally Stored Data The app stores your generated lotto number history on your device only (via Android SharedPreferences). This data:
- Never leaves your device
- Is not transmitted to any server
- Can be deleted at any time within the app
c) Push Notification Token (Firebase) We use Firebase Cloud Messaging (FCM) to send weekly lottery reminder notifications. FCM may generate a device token. This token is not stored on our servers and is used solely for local notification scheduling.
2. How We Use Information
- To display relevant advertisements (AdMob)
- To save and display your generated lotto number history (local storage only)
- To send optional weekly Saturday lottery reminder notifications
- To fetch publicly available lottery draw results from the official Korean lottery API (dhlottery.co.kr)
3. Third-Party Services
This app uses the following third-party services, each with their own privacy policies:
- Google AdMob – https://policies.google.com/privacy
- Google Firebase – https://firebase.google.com/support/privacy
4. Data Retention
Lotto number history is stored locally on your device and retained until you manually delete it within the app or uninstall the application.
5. Children's Privacy
This app is not directed at children under the age of 13. We do not knowingly collect personal information from children.
6. Your Rights
You may:
- Disable push notifications at any time in the app's Settings screen
- Delete all locally stored lotto history within the app
- Opt out of personalized ads through your device's Privacy Settings → Ads → Opt out of Ads Personalization
7. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be reflected by updating the "Last updated" date above.
8. Contact Us
If you have any questions about this Privacy Policy, please contact us at: