Colors 3D or Art Academy?

[unravel]

Kinda torn with both and I dunno what to buy so help me decide
which is better and worth using d:

 

[Saylor]

I like Art Academy because it gives you lessons and has more content but it depends on what you want. If you want the lessons and think you'll be using it a lot, I'd go for Art Academy but if you don't need the extra practice then save your money and choose Colors.