Software as a Service (SaaS)
Software as a Service is a solution where a software application is offered as pay-per-use or subscription model. A SaaS customer does not have to deal with purchase costs for a full software package and no update installations because these are automatically implemented.
Economic in use
A SaaS solution is beneficial for the users. They do not have to have their own software developed but they purchase a license. This relieves the IT department and allows them to focus on other topics and priorities.