The Standard version is suitable for people who want to promote their own web site. You will be able to use up to 5 accounts and 5 campaigns within those accounts. However, you cannot export a HTML report.
The Professional and Enteterprise versions are suitable for any SEO agencies and Internet marketing consultants who want to use the software to provide SEO services for their clients. You can generate customized reports with your company name and contact details.
The Professional version supports up to 25 accounts, whereas the Enterprise version is unlimited.
The Enterprise version will come with 3 licenses, so that you can install the program on 3 computers and share project data cross your company network.