Not a UI feature, but I found this guide last fall and have been using it flawlessly since. I whitelisted a few SSIDs and everything else goes through the VPN.

Not a UI feature, but I found this guide last fall and have been using it flawlessly since. I whitelisted a few SSIDs and everything else goes through the VPN. Even works with walled auth garden networks like xfinity wifi. https://thomas-witt.com/auto-connect-your-ios-device-to-a-vpn-when-joining-an-unknown-wifi-d1df8100c4ba https://thomas-witt.com/auto-connect-your-ios-device-to-a-vp...