All in all, the total cost of ownership in the both cases is almost the same and may span over a period of 7-10 years, though you may have to pay a higher perpetual license fee upfront.Additionally customers using premium support services must pay an extra fee. Recurring cost is greater as customers are required to make monthly payments as a subscription fee.Upfront cost for customization and integration is less compared to perpetual license cost because there is not much flexibility with SaaS systems in this area.

Subscription pricing model is more common with Software-as-a-Service (SaaS) apps. Ideally, customers are required to pay a recurring monthly fee until a specific period for using the tool. The payment is made either on a per user basis or subscription basis. Under this pricing model, the system is accessed over the internet, as opposed to installed on-premises. Subscription/Software-As-A-Service: - Relevant for eM Client.There are primarily three common pricing models – Perpetual License, Subscription, and Commercial Open Source.

Em client free vs em client pro