Privacy Policy
Last updated: September 2026
This Privacy Policy describes how WR Tools ("we", "us", or "our") handles your information when you use the WR MP3 Master mobile application (the "App").
1. Information Collection and Use
WR MP3 Master is designed to process audio files locally on your device.
Audio Files: The App requires access to your device's storage to read and write MP3 files. These files are processed entirely on your device using the FFmpeg library. We do not upload, collect, or share your audio files with any external servers.
Personal Data: We do not collect personally identifiable information (such as your name, address, or phone number) directly through the App.
2. Third-Party Services & Advertising
To keep our App free of charge, we use third-party advertising services provided by Google.
Google AdMob Our App integrates Google AdMob to display banner ads and rewarded video advertisements. AdMob may collect and use pseudonymous data (such as your device's Advertising ID, IP address, coarse/approximate location data, device information, and ad interaction data) to serve personalized or non-personalized advertisements, ensure fraud detection, and measure ad performance.
Google's use of information collected through AdMob is governed by Google’s Privacy Policy:
Google Privacy & Terms
How Google uses information from sites or apps that use our services
You can opt out of personalized advertising in your Android device settings under "Google" > "Ads".
3. Log Data
In case of an error in the App, we may collect data and information (through third-party products) on your phone called Log Data. This Log Data may include information such as your device Internet Protocol (“IP”) address, device name, operating system version, the configuration of the App when utilizing our service, the time and date of your use of the service, and other statistics.
4. Permissions
The App requests the following permissions:
Storage (Read/Write): Necessary to select audio files for mastering and to save the processed results to your "Music" or "Downloads" folder.
Internet: Necessary to load advertisement banners and display the Privacy Policy.
5. Security
We value your trust in providing us with your audio files for processing. Remember that no method of transmission over the internet, or method of electronic storage is 100% secure and reliable, but since your files stay on your device, the risk is minimized.
6. Children’s Privacy
These Services do not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13.
7. Changes to This Privacy Policy
We may update our Privacy Policy from time to time. Thus, you are advised to review this page periodically for any changes. We will notify you of any changes by posting the new Privacy Policy on this page.
8. Contact Us
If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us at: Email: dev.wr-tools@outlook.com