# Quad9 Connect (open-source privacy app)

> Quad9 Connect is a free, open-source privacy app for Android. Android application for Quad9 recursive DNS cybersecurity and privacy services. It has 129 GitHub stars and is released under the AGPL-3.0-or-later license, and you can install it from F-Droid.

Quad9 Connect is an Android and ChromeOS app that sends your DNS queries to Quad9's secure, private, open recursive DNS service. Quad9 Connect adds additional functionality and features compared to using Android's Private DNS feature to utilize encrypted DNS or configured Quad9 in Chrome on ChromeOS. The application creates a split VPN tunnel with Android API "VpnService" to configure an alternate DNS server on Android and ChromeOS. ## Features - DNS over TLS or DNS over UDP - DNS Query Log - Trusted Networks - Blocked Query Notifications - Local Domains - Excluded Applications

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Quad9DNS/quad9-connect |
| Platforms | Android |
| Built with | Java |
| GitHub stars | 129 |
| License | AGPL-3.0-or-later (open source) |
| F-Droid | https://f-droid.org/packages/com.quad9.aegis/ (package com.quad9.aegis) |
| F-Droid anti-features | Depends on the developer's own network service |
| Google Play | not linked |
| App Store | not linked |
| Website | none listed |
| Official | no |
| Category | Privacy, ad-blocking & VPN |
| Latest release | 1.2.4 (Jul 24, 2026) |
| Last commit | Oct 5, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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