Originally Posted by Broda

One thing you're forgetting. They both come at a cost and both depend on your PC being switched on to perform the submissions, even when scheduled.

GallerySubmitter.com will earn you just as much money, but it's free and submits off your server so scheduling is entirely hands-off.
And there's no updating, no trying to mess with rules or anything of that crap on your end. We mantain the database so all you need to do is add galleries, schedule them and forget them. Pretty simple ;)