Privacy Policy & Terms of Service
Last Updated: August 25, 2026
Welcome to Wallchemy: Live Wallpapers ("Wallchemy", "we", "our", or "us").
This Privacy Policy and Terms of Service explains how information may be collected, used, and protected when you use Wallchemy: Live Wallpapers, and sets out the rules and conditions that apply to your use of the application.
By downloading, installing, accessing, or using Wallchemy: Live Wallpapers, you acknowledge that you have read and agreed to this Privacy Policy and Terms of Service.
PART I – PRIVACY POLICY
1. Information We Collect
Wallchemy may collect limited information necessary to provide, maintain, improve, and support the application.
Device and Technical Information
We may collect information such as:
- Device model and manufacturer.
- Operating system version.
- Screen resolution and device configuration.
- System language and region.
- App version.
- Network and connection information.
- Installation and session information.
- Device identifiers and advertising identifiers, where permitted.
- Crash logs, diagnostic data, and performance information.
Usage Information
We may collect information about how you interact with Wallchemy, including:
- Wallpaper categories viewed.
- Wallpaper previews and selections.
- Live wallpaper feature usage.
- Auto Wallpaper Changer usage and related settings.
- Wallpaper change frequency settings.
- Favorites and wallpaper interactions.
- 4K wallpaper, Double Wallpaper, 3D Clock, and AllDay feature usage.
- App navigation and feature interactions.
- Advertisement interactions.
- Technical errors and performance events.
This information is primarily used to understand app performance, improve features, diagnose technical issues, and provide advertising where applicable.
2. Wallpaper Features and Device Access
Wallchemy provides features that allow you to preview, save, and apply wallpapers to your device.
Depending on your Android version and the features you choose to use, the app may request access or system permissions necessary to:
- Set wallpapers on your home screen or lock screen.
- Apply live wallpapers.
- Save wallpaper images to your device.
- Access media or storage when required by the Android system.
- Operate wallpaper-related background functions.
- Automatically change wallpapers according to your selected schedule.
Wallchemy only uses these permissions for the functionality described above.
You may deny or revoke optional permissions through your device settings, although some features may no longer function properly.
3. Auto Wallpaper Changer
Wallchemy includes an Auto Wallpaper Changer feature that can automatically update your device wallpaper based on the interval or settings you select.
To provide this feature, the app may:
- Store your selected wallpaper preferences locally.
- Remember wallpaper change intervals.
- Run wallpaper-related tasks in the background when permitted by the Android system.
- Access wallpaper resources needed to perform scheduled changes.
These functions are used only to provide the wallpaper changing feature and related app functionality.
4. Local Data
Certain information may be stored locally on your device, including:
- Favorite wallpapers.
- Wallpaper selections.
- Auto Wallpaper Changer settings.
- App preferences.
- Recently viewed content.
- Feature configuration.
Locally stored information may be removed if you clear the application's data or uninstall the app.
5. Advertising
Wallchemy may display advertisements through third-party advertising services, including Google AdMob.
Advertising providers may collect or process information such as:
- Advertising identifiers.
- Device information.
- Approximate location derived from network information where permitted.
- App interactions.
- Advertisement impressions, clicks, and conversions.
Depending on your location, device settings, consent choices, and applicable law, advertisements may be personalized or non-personalized.
Google Privacy Policy:
https://policies.google.com/privacy
6. Firebase Services
Wallchemy may use Firebase services provided by Google to support application stability, performance, configuration, and analytics.
These services may include:
- Firebase Crashlytics.
- Firebase Analytics, where enabled.
- Firebase Remote Config.
- Other Firebase infrastructure services required by the application.
Firebase may process information such as:
- Device information.
- App version.
- Installation identifiers.
- Session information.
- Crash and diagnostic information.
- App interactions and performance data.
For more information:
https://firebase.google.com/support/privacy
7. AppsFlyer
Wallchemy may use AppsFlyer for attribution, advertising measurement, campaign performance analysis, and fraud prevention.
AppsFlyer may process information such as:
- Advertising identifiers.
- Device identifiers.
- Installation information.
- App launch and session information.
- Campaign attribution information.
- Advertising interaction information.
AppsFlyer processes this information according to its own privacy practices.
For more information:
https://www.appsflyer.com/legal/privacy-policy/
8. Meta / Facebook SDK
Wallchemy may use services or SDKs provided by Meta Platforms, Inc., including the Facebook SDK, for advertising attribution, campaign measurement, analytics, or related functionality.
Depending on the SDK configuration and your privacy choices, Meta may receive information such as:
- Device information.
- Advertising identifiers.
- App installation information.
- App events.
- Advertising campaign information.
Meta processes such information according to its own privacy policy.
For more information:
https://www.facebook.com/privacy/policy/
9. How We Use Information
Information collected through Wallchemy may be used to:
- Provide wallpaper browsing and personalization features.
- Provide static and live wallpapers.
- Provide Auto Wallpaper Changer functionality.
- Provide 4K, Double Wallpaper, 3D Clock, and AllDay wallpaper features.
- Remember favorites and app preferences.
- Improve app usability and performance.
- Diagnose crashes and technical problems.
- Maintain application stability.
- Understand general feature usage.
- Improve wallpaper recommendations and content organization.
- Measure advertising and marketing performance.
- Display advertisements.
- Prevent fraud and abuse.
- Comply with legal obligations.
10. Information Sharing
We do not sell your personal information.
Information may be processed or shared with service providers only where reasonably necessary to operate and improve Wallchemy, including:
- Advertising providers.
- Analytics providers.
- Crash reporting providers.
- Attribution and marketing measurement providers.
- Cloud and technical infrastructure providers.
These third parties process information according to their own privacy policies and applicable laws.
We may also disclose information if required by law, regulation, legal process, or a valid request from a governmental authority.
11. Data Retention
We retain information only for as long as reasonably necessary for the purposes described in this policy.
Retention periods may vary depending on:
- The type of information.
- Technical requirements.
- Security requirements.
- Legal obligations.
- Third-party service provider policies.
Information stored locally on your device generally remains until you delete it, clear the app's data, or uninstall Wallchemy.
12. Data Security
We use reasonable technical and organizational measures to help protect information handled through Wallchemy.
However, no electronic transmission, software system, or data storage method can be guaranteed to be completely secure.
You use the application and internet-based services at your own risk.
13. Children's Privacy
Wallchemy is not intended to knowingly collect personal information from children in violation of applicable laws.
If we become aware that personal information from a child has been collected in a manner that requires parental consent but such consent has not been obtained, we will take reasonable steps to delete the information where applicable.
14. Your Privacy Choices
Depending on your location and applicable law, you may have rights regarding your personal information, including the right to:
- Request access to certain personal information.
- Request correction or deletion of certain information.
- Object to or restrict certain processing.
- Withdraw consent where processing is based on consent.
- Control personalized advertising where applicable.
You may also manage certain privacy choices through your device settings, Google advertising settings, or consent controls presented within the application.
15. Third-Party Links and Services
Wallchemy may contain links to third-party websites, services, advertisements, or content.
We are not responsible for the privacy practices, security, availability, or content of third-party services.
You should review the privacy policies and terms of those services before using them.
PART II – TERMS OF SERVICE
16. Use of Wallchemy
Wallchemy provides wallpaper browsing, personalization, and wallpaper-related tools, which may include:
- Static wallpapers.
- 4K wallpapers.
- Live wallpapers.
- Auto Wallpaper Changer.
- Double Wallpapers.
- 3D Clock wallpapers.
- AllDay wallpapers.
- Wallpaper categories.
- Favorites.
- Wallpaper preview, save, and apply functions.
Features may vary depending on app version, device model, Android version, region, and technical availability.
17. License to Use the Application
Subject to these Terms, we grant you a limited, personal, non-exclusive, non-transferable, and revocable license to use Wallchemy for personal and lawful purposes.
You may not:
- Copy, distribute, sell, sublicense, or commercially exploit the application without authorization.
- Attempt to reverse engineer or interfere with the application except where such restriction is prohibited by applicable law.
- Circumvent security or technical protections.
- Use automated systems to abuse or overload the service.
- Use Wallchemy for illegal, fraudulent, or harmful activities.
18. Wallpaper Content
Wallchemy may provide wallpapers and other visual content from different sources, including original content, licensed resources, publicly available materials, and other content that may legally be used or displayed.
Copyright and other intellectual property rights in third-party content remain with their respective owners.
Unless explicitly stated otherwise, the availability of content within Wallchemy does not mean that Wallchemy owns the underlying copyright or other intellectual property rights.
19. Copyright Disclaimer
Some wallpapers and images displayed in Wallchemy may come from publicly available sources, licensed resources, or other content sources permitted for use.
All copyrights, trademarks, and related rights remain with their respective owners.
Wallpaper content is provided for wallpaper display, personalization, and related application functionality.
Wallchemy does not claim ownership of third-party copyrighted content unless explicitly stated.
The appearance of a brand, character, person, artwork, photograph, trademark, or other protected material within a wallpaper does not imply that Wallchemy is affiliated with, sponsored by, endorsed by, or officially connected with the relevant rights holder.
No such relationship should be assumed unless expressly stated.
20. Copyright Complaints and Content Removal
We respect intellectual property rights.
If you are a copyright owner or an authorized representative and believe that content available through Wallchemy infringes your rights, you may contact us and provide sufficient information to identify:
- The copyrighted work or protected material.
- The content you believe infringes your rights.
- The wallpaper or location of the relevant content within Wallchemy.
- Your contact information.
- Evidence that you are the copyright owner or authorized representative.
After receiving a valid request, we will review the matter and may remove or restrict access to the relevant content where appropriate.
21. Wallpaper Availability
Wallpaper collections, categories, and features may be added, modified, replaced, or removed over time.
We do not guarantee that:
- A particular wallpaper will remain available permanently.
- Every wallpaper will work on every device.
- Live wallpaper effects will behave identically on all devices.
- Wallpaper colors or image quality will appear exactly the same on every screen.
- Background wallpaper changing will operate without interruption on every device.
Android system restrictions, battery optimization settings, manufacturer-specific software, or device configuration may affect wallpaper functionality.
22. Auto Wallpaper Changer Availability
The Auto Wallpaper Changer relies partly on Android background processing and wallpaper system functionality.
Automatic wallpaper changes may be affected by:
- Battery optimization.
- Background activity restrictions.
- Power-saving modes.
- Device manufacturer settings.
- Android version.
- System permissions.
- Network availability where online content is required.
Wallchemy cannot guarantee that automatic wallpaper changes will occur at an exact time under all device conditions.
23. Advertisements
Wallchemy may contain advertisements supplied by third-party advertising networks.
We do not necessarily endorse products, services, websites, or claims appearing in third-party advertisements.
Any interaction, purchase, communication, or transaction between you and an advertiser is between you and the relevant third party.
24. Intellectual Property
The Wallchemy application, including its software, interface, design, branding, logo, layout, and original application materials, is protected by applicable intellectual property laws.
Except for rights expressly granted under these Terms, no rights to Wallchemy or its intellectual property are transferred to you.
25. Service Changes
We may update, modify, suspend, remove, or discontinue parts of Wallchemy from time to time.
Changes may be made for reasons including:
- Product improvements.
- Technical requirements.
- Security.
- Legal or regulatory requirements.
- Content availability.
- Third-party service changes.
We do not guarantee that every current feature will remain available indefinitely.
26. Disclaimer of Warranties
Wallchemy is provided on an "as is" and "as available" basis to the extent permitted by applicable law.
We do not guarantee that:
- The application will always be available.
- The application will be completely free of errors.
- Every wallpaper or feature will work on every device.
- All content will always remain available.
- Third-party services will operate without interruption.
Nothing in these Terms excludes warranties or rights that cannot legally be excluded under applicable consumer protection laws.
27. Limitation of Liability
To the maximum extent permitted by applicable law, Wallchemy and its developers shall not be liable for indirect, incidental, special, consequential, or similar damages arising from the use or inability to use the application.
This may include loss resulting from:
- Device configuration changes.
- Wallpaper application failures.
- Loss of locally stored preferences.
- Third-party content or services.
- Network interruptions.
- Third-party advertisements.
Nothing in these Terms limits liability where such limitation is prohibited by applicable law.
28. Suspension or Termination
We may restrict or terminate access to Wallchemy where reasonably necessary if the application is used in violation of these Terms, applicable law, or in a manner that may harm the application, its users, or third parties.
You may stop using the service at any time by uninstalling Wallchemy from your device.
29. Changes to This Policy and Terms
We may update this Privacy Policy and Terms of Service from time to time.
When changes are made, the "Last Updated" date at the beginning of this document will be revised.
Where required by applicable law, additional notice or consent may be provided.
Your continued use of Wallchemy after an update becomes effective constitutes acceptance of the revised terms, except where applicable law requires otherwise.
30. Governing Law
These Terms shall be interpreted in accordance with applicable laws.
Nothing in these Terms limits any mandatory consumer rights or privacy rights available to you under the laws of your jurisdiction.
31. Contact Us
If you have questions about this Privacy Policy and Terms of Service, privacy matters, copyright concerns, or requests to remove content, please contact us through the developer contact information provided on the Wallchemy: Live Wallpapers application store page.