The above is no longer true. There is now an OpenVPN app in the app store that is free. To setup your connection to your HDA do the followingThe iOS app can be downloaded from here:

[https://itunes.apple.com/us/app/openvpn-connect/id590379981?mt=8 iOS OpenVPN app] To setup your connection to your HDA, perform the following steps: First create your ovpn file using the following (the order that these items come in is VERY important)configuration:

Be sure to replace the XXXX to whatever your ddns name for your HDA is. Save this file as whatever you want with the .ovpn file extension. The next step is to download the certificates. The certificates can be found below (to download, right click > save as):

If you rename these certificates you will need to modify the ovpn file with the names that you saved your certs as. You are now ready to copy your files over to your iOS device. The steps at the following page will point you in the right direction for importing the ovpn and cert files over to your iOS device.