sing-box/docs/clients/privacy.md

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icon: material/security

Privacy policy

sing-box and official graphics clients do not collect or share personal data, and the data generated by the software is always on your device.

Android

The broad package (App) visibility (QUERY_ALL_PACKAGES) permission is used to provide per-application proxy features for VPN, sing-box will not collect your app list.

If your configuration contains wifi_ssid or wifi_bssid routing rules, sing-box uses the location permission in the background to get information about the connected Wi-Fi network to make them work.