Best note-taking apps for iPhone and iPad: Evernote, Drafts, Vesper, and more!

Looking for the best iPhone apps to quickly, easily, and powerfully take all of your notes? iPhones and iPads are are far better than leaving stickies all over the screen, fridge, door... you get the idea. Not only are note-taking apps nowhere near as messy, they're much easier to sort and organize thanks to folders and tags. We've already taken a look at the best text editing apps as well as the best handwriting apps but what about times when you want to jot down notes quickly and keep them easily available for later reference? Which note taking apps are the best and deserve your time and attention?