Email users can receive and send messages to Cerebro only by email. This type of user account is free, but the number of email users is limited and equal to the number of standard users.

Standard users, aside from working by email, can log into the system using their login and password, and work in the Cerebro client, web client and the mobile version of the Cerebro client. Depending on their access level, a standard user can manage other users, projects, tasks, get statistics, and so on. This type of user account is paid, and the number of users of this type depends on the number of purchased Cerebro licenses.

Freelance users as same as Standard users, aside from working by email, can log into the system using their login and password, and work in the Cerebro client, web client, and the mobile version of the Cerebro client. Number of freelance accounts is unlimited. Freelance packages are required.

Freelance packages — active days packages for temporary users. The day is considered active if the user of the freelance account has created or viewed new messages, changed statuses or properties, for the last 24 hours. Number of users is unlimited.