4 stars: awesome app in general, helps me draw a lot, I hate how you have to pay for most of the features though. I wish that the erase button you didn't have to pay for cause then i could draw normally and then when I had the money get the rest. so it's a bit difficult but I love it still it has the feature to watch a simple add and then be able too use the features for half a day so that's wonderful.
4 stars: Pretty cool app. Its good in everything, but I just wish I could import and images into it. I've looked everywhere in the app to import and image and can't seem to find it. It's either not very user friendly in that aspect or I'm just idiot. Or it may be something for the 3.99 thing. I'm not sure :/
4 stars: EDIT: I found out there was an ad you could watch to get the premium features for a limited time! Ok, so it is a good drawing app....When you pay for everything! When you don't want or can't afford the premium features, it's awful. Only 2 layers, hard to understand setup, and I can't even save my drawings in a JPEG or PNG form without paying. I recommend using Ibis Paint X or any other free drawing app if you don't want to spend money.
3 stars: I am using a purchased full version but I get only 8 layers to work. From last two days Iam facing a horrible problem. my saved files are getting corrupted automatically when reopened. I observed that some of the layers becomes blank automatically. for some files it was complete corruption of layers. i lost four ...