There are 3 types of Zoom users:
- Basic: A basic user is a free account user who can host up to 40 minutes meetings when there are more than 2 people in the meeting (Zoom Cloud).
- Pro: A pro user is a paid account user who can host unlimited meetings on the public cloud (Zoom Cloud).
- Corp: A corp user is a paid account who can host unlimited meetings on the hybrid cloud - NORDUnet Cloud
More in depth article on Zoom.us Support: https://support.zoom.us/hc/en-us/articles/201363173-Account-Types