Earlier quoted context omitted.
I'm pretty sure Network Link Conditioner is the same.
I think the author would be better off giving it away for free, earning goodwill and making a name for his dev shop, then releasing other apps to all the people who now are aware of him.
I can't recall the names of any dev shops for the OSX products I have purchased, much less the ones I use for free.
I have no problem with people selling simple tools that make built-in features more accessible.