Privacy Policy
Last Updated: October 7, 2025
Thank you for choosing to use FaceMask (hereinafter referred to as "the App"). This Privacy Policy is intended to inform you about how we collect, use, store, and protect your personal information, particularly regarding the processing of facial data. Please read this Privacy Policy carefully before using the App.
1. Information We Collect
1.1 Facial Data
When you use the App’s face replacement feature, we utilize Apple’s Vision framework to detect the position of faces in photos on your device. We only collect the following information:
- The position coordinates of faces in the photo (bounding box)
- The confidence score of face detection
Important Note:
- All face detection and processing are performed locally on your device and are not uploaded to any server
- We do not collect any biometric data or facial feature point information
- We do not store your original photos or processed photos
- All processed data is cleared from memory immediately after the App is closed
1.2 Photo Access Permission
To enable the face replacement feature, we require access to your photo library. We only access photos when you actively select them, and:
- Photos are processed locally on your device
- Processed photos are not saved to our servers
- You can revoke photo access permission at any time through system settings
1.3 App Usage Data
We use Firebase Analytics to collect anonymous usage data, including:
- Number of App launches
- Frequency of feature usage
- Crash reports
This data is completely anonymous and does not contain any personally identifiable information.
2. How We Use Information
We use the collected information solely for the following purposes:
- To provide face detection and sticker replacement features on your device
- To improve App performance and user experience
- To diagnose and fix technical issues
3. Information Sharing
We do not share your facial data or photos with any third parties. All processing is performed locally on your device.
4. Data Storage and Retention
- All facial data and photo processing are conducted on your device
- We do not store any facial data or photos on our servers
- All temporary data is automatically cleared when the App is closed
5. Your Rights
You may at any time:
- Revoke photo access permission through system settings
- Delete the App to clear all related data
- Contact us with privacy-related questions
6. Children’s Privacy
The App is not intended for children under the age of 13, and we do not knowingly collect personal information from children.
7. Privacy Policy Changes
We may update this Privacy Policy from time to time. Any changes will be announced within the App or on our website.
8. Contact Us
If you have any questions about this Privacy Policy, please contact us via: