The product has an easy interface, it's very intuitive for new users without any experience in this kind of programs. It also works well with existing printers (it detects them automatically). I didn't find anything that i disliked about it so far. Well, maybe sometimes there are some minor bugs but they're solved pretty quick by support team or other people who use the program.
We have used many different products from big companies like HP, Canon etc., but none was as simple as rocketprintβ¦