All minor updates are free.
Upgrading to a new (major update) version:

  • The upgrading cost for user of single license will be up to 40% from full cost .
  • For user of multiple licenses (or multiple products) the cost will be up to 25% from full cost .

If you bought a tool less than year before the release of the new version, you will get a new key for free.

What is a minor and major version?
major.minor[.build[.revision]]
For example: Project Manager v.1.02.03
1 – this is a major version.
02 – this is a minor version.
03 – this is a build version.

How often come out are new versions?
As a rule the new (main) versions come out no frequently than once in 2-3 years.