【 プライバシー 】Privacy Policy
Effective Date: March 17, 2026 | Last Updated: March 17, 2026
This Privacy Policy explains how ZeWallpaper 4K
(developed by ZerivonLabs) collects, uses, and protects
your information when you use our application. We are committed to protecting your
privacy and ensuring a safe user experience.
1. Information We Collect
ZeWallpaper 4K collects minimal data necessary to provide and improve the service:
- Analytics Data: Anonymous usage data such as screen views, feature interactions,
and session duration — collected via Firebase Analytics.
- Crash Reports: Anonymized crash logs and device information — collected via
Firebase Crashlytics to help us fix bugs quickly.
- Performance Data: App startup time, network request latency, and rendering
performance — collected via Firebase Performance Monitoring.
- Push Notification Token: A device token used to send push notifications
via Firebase Cloud Messaging (FCM). You can opt out at any time in Settings.
- Local Preferences: Your in-app settings (username, language, display mode,
notification preference) are stored locally on your device only using
Android DataStore. This data never leaves your device.
2. Information We Do NOT Collect
- We do not collect your name, email address, phone number, or any personally identifiable information (PII).
- We do not track your location.
- We do not access your contacts, camera, or microphone.
- We do not sell or share your data with third parties for advertising purposes.
3. Third-Party Services
ZeWallpaper 4K uses the following third-party services that may collect data according to their own privacy policies:
- Firebase (Google): Analytics, Crashlytics, Performance Monitoring, Cloud Messaging,
Remote Config, and In-App Messaging.
Firebase Privacy Policy →
- Supabase: Backend-as-a-Service used for serving wallpaper metadata and image URLs.
Supabase Privacy Policy →
4. Wallpaper Image Sources & Credits
📸 Image Source Credits
The wallpapers available in ZeWallpaper 4K are sourced from the following platforms:
- Reddit — Community-shared wallpapers from public subreddits.
reddit.com →
- Lexica.art — AI-generated artwork and wallpapers.
lexica.art →
All images are used in compliance with the respective platform's terms of service.
If you are a content creator and believe your work has been included without proper authorization,
please contact us at the email below and we will promptly remove it.
5. Data Security
We take the security of your data seriously. We implement industry-standard security measures
to protect the application and your information, including:
- Encrypted communication between the app and our servers.
- Secure storage of sensitive configuration data.
- Code protection and integrity verification in release builds.
- Regular security reviews and updates.
6. Children's Privacy
ZeWallpaper 4K is not directed at children under the age of 13. We do not knowingly
collect personal information from children. If you believe we have inadvertently collected
such information, please contact us and we will delete it immediately.
7. Your Rights
- You can disable push notifications at any time via the app's Settings screen or your device's system settings.
- You can clear all cached data from within the app's Settings screen.
- You can uninstall the app at any time, which will remove all locally stored preferences and cache.
- You may request data deletion by contacting us at the email below.
8. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be reflected on this page
with an updated "Last Updated" date. Continued use of the app after changes constitutes
acceptance of the new policy.
9. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy, please contact us: