SaaS is software that allows users to use only the services they need among the
various functions of software.
With this service, not only the software but also all relevant data are stored in the
cloud. Users do not purchase software and install and store it on individual
computers, mobile devices, or corporate servers, but borrow and use software that
software service providers serve multiple customers through the Internet. Cloud
service providers manage the cloud environment in which the software operates, and
software service providers manage everything about the application. Users can use
it at any time after registering their accounts by accessing the Internet through a web
browser with devices such as PCs, tablet PCs, and smartphones and logging in to
the account of the service. User fees are generally paid as monthly or annual fees or
based on usage. The advantage of SaaS is that if you are connected to the Internet,
you can quickly use software on any device regardless of location, and you don't
