Privacy Policy

Last Updated: May 11, 2026

Introduction

Sentinel Tunnel, Sentinel Lite Tunnel (SL Tunnel), and Custom Tunnel ("we," "our," or "us") are committed to protecting your privacy. This Privacy Policy explains how our applications handle information when you use our tunneling and connectivity services.

Our Core Principle:
We do not collect, store, or share personal data or user activity.

Information We Do NOT Collect

We explicitly do not collect, log, or store any of the following:

Browsing history or web traffic data
Connection logs or timestamps
IP addresses
DNS queries
Personal information (name, email, phone number)
Device identifiers
Location data
Bandwidth usage details

Permissions Required

VPN Permission

Required to establish secure tunneling connections.
All traffic transmitted through the connection is encrypted and is not logged or monitored by our applications.

Notification Permission (Android 13+)

Used to display connection status, background activity, and data transfer statistics.
Notifications are processed locally on the device.

Internet Permission

Required for connectivity features and advertisement delivery.

Third-Party Services

Google AdMob

We use Google AdMob to display non-intrusive advertisements. AdMob may collect:

Advertising ID (GAID)
Device type and operating system version
IP address (for approximate location)
Ad interaction data

You can opt out of personalized ads via:

Settings → Google → Ads → Opt out of Ads Personalization

For more information:
https://policies.google.com/privacy

Data Security

We implement industry-standard encryption and secure transport technologies, including:

SSH tunneling with encryption
SSL/TLS secure transport
OpenVPN (OVPN) encryption
Secure tunneling and routing protocols

We maintain a strict no-logs policy across all applications.

Custom Tunnel Disclaimer

Custom Tunnel is a client-based tunneling tool that supports custom user-provided configurations.

The app does not provide built-in servers or network services
Users are responsible for configuring and managing their own servers
Users may import or share configuration files with trusted sources only

The app functions solely as a connection client and management tool.

Lite Version Disclaimer

Sentinel Lite Tunnel (SL Tunnel) is a simplified version focused on performance and ease of use.

Custom configuration files are not supported in the Lite version
Core tunneling and security features remain fully functional

Children’s Privacy

Our applications are not intended for children under the age of 13.
We do not knowingly collect data from children.

Data Sharing

Because we do not collect personal data, we have nothing to share.

We do not:

Sell user data
Share data with third parties or partners
Provide data to government agencies
Use data for marketing or profiling

Your Privacy Rights

Under regulations such as GDPR and CCPA:

No personal data is collected
No data exists to access, modify, or delete
Users may uninstall the applications at any time

Google Play Compliance

Data Collection: None by our applications (excluding AdMob)
Data Sharing: None
Security: All supported traffic is encrypted using secure protocols

Connection Service Policy

When using Sentinel Tunnel, Sentinel Lite Tunnel, or Custom Tunnel:

We do not log user connections
We do not track timestamps or session duration
We do not monitor or record websites visited
We do not store identifiable usage data

Proxy Sharing Feature

Our network sharing functionality operates locally on the device:

Proxy services run locally on the user’s device
No traffic is sent to external servers for logging
No records of connected devices are stored

Changes to This Policy

We may update this Privacy Policy periodically. Updates may be communicated through:

Revised “Last Updated” date
In-app notifications (if applicable)

Contact

Email: zarran.ym@gmail.com
Applications: Sentinel Tunnel, Sentinel Lite Tunnel (SL Tunnel), Custom Tunnel

Legal Compliance

While we may be required to comply with applicable laws and regulations, our strict no-logs policy means we do not possess user data to provide.