Baitware is a related term of donationware.
As nouns the difference between baitware and donationware
is that
baitware is (computing) freeware of deliberately poor quality with some, but generally not all, of the features of a software application, intended to entice those who download the freeware to buy the complete application while
donationware is (internet) a variant of freeware that offers an option to its user to donate money to the program's author.