Pencil Sketch - Pencil Sketch developed and published by Dumpling Sandwich for Android and iOS devices.
SketchDaily.io - Free educational tool for improving your sketching skills.
Drawzee - Change your sketches into cats ๐ฑ, dogs ๐ถ or other animals ๐
Pix2pix - Turn your terrible doodles into cats and other things โ๏ธ๐ธ
Doodle.ai - Doodle.ai is a free iOS app that helps you to learn drawing with a number of advanced tools.
Pexels Cats - Best free cat photos in one place