Privacy Policy

Last updated: October 25, 2025 | Version 1.0

Overview

SingLink is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our application.

Core Principle: We do not collect, store, or transmit any user data.

1. Information We Do NOT Collect

SingLink uses a zero-knowledge architecture. We explicitly do NOT collect:

❌ Personal Information

Name, email address, phone number
IP addresses, device identifiers
Location data

❌ Usage Data

Browsing history, websites accessed
Connection logs, connection times
Network traffic content
Server addresses used

❌ Analytics and Tracking

App usage statistics
User behavior analysis
Third-party analytics services

2. Information Stored Locally

The following information is stored only on your device, never uploaded:

✅ App Preferences (Device Storage)

Language and theme preferences
Feature toggle states

✅ Subscription Configuration (Encrypted Storage)

Subscription URLs you import
Server list information (address, port, password, encryption)
Node names and identifiers

✅ Temporary Runtime Data (Memory Only)

Current connection status
Real-time traffic statistics
Latency test results

All data stays on your device. Deleting the app permanently removes all local data.

3. How We Use Information

All app functions are processed locally on your device. Network communication is limited to:

Your configured servers - Establishing connections and transmitting encrypted traffic
Subscription updates (optional) - Retrieving updated server lists from your subscription URL

❌ We have NO backend servers. The app does not connect to any servers operated by us.

4. Data Security

AES-256-GCM encryption for all data transmission
No server-side data storage
All processing happens on your device
Encrypted local storage for sensitive configurations

5. Third-Party Services

SingLink does not integrate any third-party analytics, tracking, or advertising services. We don't sell, rent, or share any data because we don't collect it.

6. Your Rights

Since we don't collect data:

We have no data about you to access
All data is on your device under your control
Deleting the app removes all data

7. Children's Privacy

SingLink is suitable for users ages 3 and above. We do not collect any personal information from users of any age. All data is stored locally on the device under the user's or parent's control.

For children under 13: Parents or guardians should supervise the use and configuration of network settings.

8. Contact Us

If you have questions about this Privacy Policy, contact us at: [email protected]

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of changes by updating the "Last Updated" date. Continued use after changes constitutes acceptance.

SingLink Privacy Policy - We don't collect data because we respect your privacy.