To be honest with you. IF they offer for FREE, they can shut down your site at anytime and they have NO Guaranteed uptime. So better be prepare for the worst!.
So make up your mind, FREE things aren't always good.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.