That's nice to know !
You must be pretty hard-up if you can not afford 10 bucks for a piece of software which someone has put a lot of work into and you find great. An old fashioned view I know, but I am am old and therefore allowed to stand to it.
They offer it free, why should one not take it. If it comes with strings attached, meaning, pay for a full version, then it is not really free and that is a sad reflection on any company offering free software. I skin for free, with free versions, and others , including the company, benefit from that. So , it is win win for all of us. Free is good.