Simple Draw is described as 'A canvas you can draw on with different colors'. There are more than 10 alternatives to Simple Draw for a variety of platforms, including Android, iPad, iPhone, Android Tablet and Mac. The best alternative is Procreate. It's not free, so if you're looking for a free alternative, you could try SketchBook or ibis Paint X. Other great apps like Simple Draw are Pocket Paint (Free, Open Source), Infinite Painter (Freemium), Artflow Studio (Freemium) and Infinite Design (Freemium).
Procreate is a multi-award winning, creative illustration app built from the ground up for iPad with a pocket-sized variant for iPhone. The app features a complete, professional toolset that's accessible while still providing the power and flexibility of desktop counterparts.
Paintroid is a graphical paint editor App, that, among others, allows setting parts of pictures to transparent, insert Text / Images, add Layers, use Color filling and picking tools, rotate, resize and position elements...
Convert your tablet, Chromebook, or phone into digital sketchbook with more than 80 paint brushes, smudge, file and eraser tool. This fast and intuitive painting and drawing application will unlock full power of your imagination.
Linea is an elegantly simple sketchbook for Apple devices optimized for use with Apple Pencil. It opts for a minimal interface with only the essential options, rather than overkill like many other apps.
Creating great drawings and getting your ideas down on digital paper is all about your headspace. Flow pages seamlessly expand as you draw and develop ideas, which means you keep your head in the clouds instead of managing documents.