# sing-box (open-source privacy app)

> sing-box is a free, open-source privacy app for Android. The universal proxy platform. It has 38,653 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid.

sing-box is a fast, customizable and univsersal proxy platform that can be used to create network proxy servers, clients and transparent proxies. This app allows users to manage and use local and remote sing-box profiles and provides platform specific feature implementations such as the TUN transparent proxy implementation through the Android VpnService.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/SagerNet/sing-box |
| Platforms | Android |
| Built with | Other |
| GitHub stars | 38,653 |
| License | GPL-3.0-or-later (open source) |
| F-Droid | https://f-droid.org/packages/io.nekohasekai.sfa/ (package io.nekohasekai.sfa) |
| F-Droid anti-features | none flagged |
| Google Play | not linked |
| App Store | not linked |
| Website | https://sing-box.sagernet.org/ |
| Official | no |
| Category | Privacy, ad-blocking & VPN |
| Latest release | v1.14.2 (Sep 24, 2026) |
| Last commit | Oct 7, 2026 |

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

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Canonical page: https://appsgit.com/mobile-apps/sing-box
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