I'd never heard of Math Academy. It seems interesting, but quite expensive ($49/month for software which is in beta). Would you say it's significantly superior to something like Khan Academy (which is free) to justify paying that much?

I tried Math academy twice and I cannot understand the hype but a lot of people seem to love it so maybe it's just not my style of learning. Each topic seemed to contain too little information to actually grasp it. It was like

Trig 1 -> This is a triangle and trig is about triangles.

Quiz 1: blah