Are you tired with blocked websites, and needs a secure, annonymous connection through your existing internet connection? If so, you may want to try Betternet, a free and unlimited VPN application. Its available for iOS and Android. Also, currently available Betternet application for PC.
Compared to Hotspot Shield, which is currently the most popular VPN application, Betternet is way simpler. You will only need to press Connect button to start vpn connection and press Disconnect to stop the connection. No sign in required and also you wont be bothered with annoying ads. You can install Betternet for iOS from AppStore. Or you can find more download options on Betternet official website.