The upgrade within the same major version is always free (you can download the upgrade archive from the client area or email us and we will reply with the download link). Current major version is 3.x. The upgrade from 3.x to 4.x (under development) will cost one time fee of 99$. Minor bug fix and small feature upgrades are released monthly for free, while major version (major new features) are released once per year. If you want us to do the upgrade for you, please see below.
This service will upgrade your site from Adult Script Pro version 2.x to version 3.x. You will be able to keep all your videos, albums, photos, channels, models and users. Template modifications (or any other kind of code customizations) done in the 2.x version will not be migrated to the 3.x version.