The main difference between SaaS as a business model is that the owner of the service is fully responsible for its upgrade, maintenance and management. To use the functionality of the platform, users do not need to download software, install it and update it. For business owners, the SaaS model has become a real escape from the headache associated with unlicensed software that customers may encounter. The principle of SaaS services is often compared to rental housing. Furniture, equipment, and all the amenities are provided by the owner, and the tenant pays for the use. However, this comparison can not be called correct, because it is rather superficial. To
build saas application and better understand what distinguishes a SaaS service from others, familiarize yourself with the peculiarities of its operation.