As shown by the following table, the only difference between the versions is the number of properties they will allow you to have. Which package you choose will depend on how many properties (including individual units) you are currently managing or you expect to be managing in future.

Feature

RentMaster
Investor

RentMaster
Company

RentMaster
Professional

RentMaster
Corporate

Property Count 15 35 80 Unlimited
Maintain Properties
Maintain Owners
Maintain Tenants
Maintain Mortgages
Full Transaction Details
All reports and graphs
Access to FindARentalHome.com
Work Orders
Booking Calendar
Disbursements
Everything Else