Download Draw Online

: A free, open-source alternative to Microsoft Office. It is excellent for editing PDFs; you can draw text boxes over existing documents to add your own notes.

If you are looking for an app specifically named "Draw," there are several highly-rated options on the Google Play Store and Apple App Store : Download Draw

: A versatile "all-in-one" notebook. It features an infinite canvas where you can place text, pictures, and mind maps anywhere you like. : A free, open-source alternative to Microsoft Office