A-Painter is great and was probably the inspiration behind several iOS AR apps like Paint Space AR (https://itunes.apple.com/us/app/paint-space-ar/id1260267722

A-Painter is great and was probably the inspiration behind several iOS AR apps like Paint Space AR (https://itunes.apple.com/us/app/paint-space-ar/id1260267722 https://itunes.apple.com/us/app/paint-space-ar/id1260267722), Draw AR (https://itunes.apple.com/us/app/world-brush/id1255729229 https://itunes.apple.com/us/app/world-brush/id1255729229) and World Brush (https://itunes.apple.com/us/app/world-brush/id1277410449 https://itunes.apple.com/us/app/world-brush/id1277410449).