The 1 MONTH Plan plan by Trust.Zone does have a VPN Client.
It does not have bandwith restrictions, and they don't keep your connection log. They also do have a mobile client and a Kill Switch feature is available.
This plan also comes with the following benefit(s):
Customer Support: Monday - Friday, 6:00 am to 4:00 pm GMT +0
Server Locations: 108 servers in 30 countries
Number of Connections: 3
VPN Protocol: OpenVPN & L2TP/IPSec