Evernote is one of the most popular note taking apps for virtually every platform. It is available for iPhone, iPad, and Mac and can sync everything seamlessly between them. Take a note or create a grocery list on your Mac and it's instantly available on your iPhone.

Aside from regular typed notes, you can create checklists and many other kinds of documents inside Evernote. Organize your notes inside notebooks, add tags to quickly search for things, and much more. Gather your thoughts neatly and share them with others with Evernote's unique presentation mode. Evernote also supports media uploads including photos, audio notes, and more. There is also great integration with all of Evernote's other apps including Skitch, Penultimate, Evernote Food, and more.