Smart move to go for the more casual user, it suggests Obdev has been doing their homework and proactively talking to regular users, rather than just blindly building feature requests. Tools like this so often get sucked into serving the loud minority of expert users with ever more esoteric use cases, which leads to a death spiral of audience capture where the tool gets more and more complicated and harder to approach for casuals.

Little Snitch Mini looks great, I'm going to recommend it to friends!