Privacy Policy
Last updated: August 11, 2026
Mastok ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application.
1. Information We Collect
1.1 Information You Provide
- Account Information: When you register, we collect your phone number and profile information (display name, avatar).
- Messages: Text messages, photos, videos, and voice messages you send through the app. Private messages support end-to-end encryption.
- User-Generated Content: Short videos and other content you publish on the platform.
1.2 Information Collected Automatically
- Device Information: Device model, operating system version, unique device identifiers.
- Log Data: Access times, pages viewed, app crashes, and other system activity.
- Network Information: IP address, connection type.
2. How We Use Your Information
- To provide, maintain, and improve our services
- To enable communication between users (messaging, voice/video calls)
- To deliver short video content and personalize your feed
- To send push notifications (with your permission)
- To detect, prevent, and address technical issues and security threats
- To comply with legal obligations
3. End-to-End Encryption
Mastok supports end-to-end encryption for private messages. When enabled, only you and the recipient can read the message content. We cannot access the encrypted content of these messages.
4. Data Storage and Security
Your data is stored on secure servers. We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. Media files (photos, videos, voice messages) are stored using encrypted cloud storage services.
5. Data Sharing
We do not sell your personal information. We may share your information only in the following circumstances:
- With your consent: When you explicitly agree to share information.
- Service Providers: With trusted third-party services that help us operate the app (e.g., cloud hosting, push notification services).
- Legal Requirements: When required by law, regulation, or legal process.
6. Your Rights
- Access: You can request a copy of your personal data.
- Correction: You can update your profile information at any time.
- Deletion: You can delete your account and associated data through Settings > Account > Delete Account, or by contacting us.
- Data Portability: You can request your data in a portable format.
7. Children's Privacy
Mastok is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If we discover that a child under 13 has provided us with personal information, we will delete it promptly.
8. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.
9. Contact Us
If you have any questions about this Privacy Policy, please contact us: