About sing-box
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.
All sing-box APK versions
No versions available.
Frequently Asked Questions
Yes. Every sing-box APK on APK.now is automatically scanned and the cryptographic signature is verified against the original publisher's certificate (Viral Tech, Inc.). Files that fail verification are removed before they ever reach the catalog.
Enable 'Install from unknown sources' for your browser (or the file manager you use to open the APK) under Settings → Apps → Special access. Tap the downloaded sing-box APK, confirm the prompts, and Android installs it just like any app from the Play Store.
The latest sing-box version available on APK.now is the latest version. We track new releases from Viral Tech, Inc. continuously and add them to the catalog as soon as they pass verification.
Yes — every sing-box APK and every version on APK.now is free to download. We never gate downloads behind sign-up, surveys, or paywalls.
APK.now keeps a full archive of every sing-box release, including older versions that the Play Store has already replaced. The APKs work on devices without Google Play Services (Huawei, GrapheneOS, Amazon Fire) and are signature-verified so you can be confident the file is genuine.