All android and iOS apps can see your VPN

Yes i did. Proton was in private space, always-on VPN was enabled, block connections without VPN was enabled. Termux was in admin profile. This works with any vpn app. It’s not a vpn app problem, it’s android design. Update: idk if it’s ok to post links, but u can download this app and test if it can detect your vpn(it will make requests to 16 different domains, if it’s not okay for you, you can disable those ip checks in settings): GitHub - xtclovver/RKNHardering · GitHub Since it’s targeting russian audience you might get some false-positive results. Just look at differences in real ip and vpn ip, direct- and indirect signs