These are: Pencil Photo Sketch Master Sketch Me! Pencil Sketch Master Cartoon Sketch & Sketch Camera Pencil Sketch. Let’s check these apps. Pencil Photo Sketch Master is a very good photo to ...

but you could also use something like Pages -- and create a new Note. 2. Tap the Markup icon to view the drawing tools. 3. Select a pen or pencil tool and sketch the idea you want to see.