They've stopped taking new registrations on the site, and are shutting it down Q1 of 2019
Got registered but couldn't login, even password reset was useless.
Also you are not allowed to have more than one subdomain without making a donation.
The website http://zzzz.io now reports that it no longer exists, and also TRIES TO INSTALL A VIRUS. Beware!
There is no links for this app or the links was disabled.
Our users have written 2 comments and reviews about zzzz.io, and it has gotten 8 likes