We have been using the Client Database for many years. The service is constantly improving, and new features are regularly added. Even at the lowest rates, a wide range of functionality is available, which you won't find with competitors for the same price. The system is flexible and allows you to customize it to your needs, including with the help of independent programmers. During our time using the service, it has proven to be excellent and meets our needs. We spent a long time choosing and considering other options, but ultimately we decided on the Client Database.