Kami is a collaborative drawing app that lets you draw with others in real time. You can use this app to create diagrams, maps, storyboards, or even illustrations.

1) Paper

Paper by FiftyThree is a free drawing and sketching app for iPad. With this app, you can create sketches, artwork, and illustrations. Paper is great for artists who are just getting started, as it features a simple interface that includes tutorials.

2) Adobe Draw

Adobe Draw is an app for iPad that is perfect for anyone who needs to create drawings, sketches, and illustrations. This app is great for graphic designers and digital artists. With Adobe Draw, you can easily create and customize text, shapes, and images. You can also import and export art to and from Adobe Photoshop and Illustrator.

3) Paint

Paint is a free drawing and painting app for iPad. This app is easy to use and allows you to create sketches, drawings, and other artwork. You can use Paint to create fun illustrations for your children's book, as well as other illustrations for school projects.

4) SketchBook

SketchBook is a free drawing and sketching app for both iPhone and iPad. This app is great for graphic designers and digital artists. SketchBook offers a variety of drawing tools and brushes that let you quickly and easily sketch and paint. It also lets you import and export art to and from Photoshop and Illustrator.

5) Spider

Spider is a free drawing and sketching app for iPhone and iPad. You can use this app to sketch and paint with a variety of drawing tools and brushes. Spider is great for graphic designers and digital artists because it imports and exports art to and from Photoshop and Illustrator.