No, as with most Stardock products your paid until the next Full release of OD+ comes out. That means you WILL have to purchase release 2.0 but 1.9 is free. I'd suggest downloading Stardock Central
HERE and register your current version. The update will then show up under Miscellaneous. Read the history file associated with OD+ when you get to the download stage because your version is several updates old and it may be better for you to uninstall prior to installing the 1.9 version.
I have had no problems with the latest release. Some of the improvements are very worthwhile.