What is the difference between rezpage and protel PMS?

Xn protel Systems is a specialised Systems Integrator, supporting a variety of leading property management systems and modular add-on business applications. The protel PMS, by Planet, is one of the leading Hotel Property Management Systems (PMS) supporting accomodation and related front desk operations within hotels, motels and resorts. rezpage is designed especially for operators in the Alternative Residential property sectors.