Pretty much. You use OpenVPN Connect (https://itunes.apple.com/us/app/openvpn-connect/id590379981?mt=8 https://itunes.apple.com/us/app/openvpn-connect/id5903799

Pretty much. You use OpenVPN Connect (https://itunes.apple.com/us/app/openvpn-connect/id590379981?mt=8 https://itunes.apple.com/us/app/openvpn-connect/id590379981?...) and set up openvpn on a VPS somewhere. The only exceptions are a few things like Facetime and Apple's push service, which are given special routing treatment by iOS—they skip the VPN.