SimDex offers service based on a centralized Prepay system. Clients all over the world can make use of the system to sell and deliver mobile airtime and other prepaid products electronically to the market. SimDex provides the necessary infrastructure enabling the clients to focus on their core business and services.

Prepay Services available from SimDex include basic hosting services (ASP) and specialized prepay delivery services. SimDex also offers software License Services with full implementation and maintenance support.