Free App: Paper by FiftyThree [iOS]

EVERYTHING BEGINS ON PAPER.
“App of the Year & Apple Design Award Winner”
Paper is the simplest way to express your ideas. You don’t need to know how to draw. From sketching out a new product design, to drafting a kitchen remodel or outlining a great business plan, Paper sets your ideas free. It works the way you think, with no fussy settings or distractions. Available with Paper are five beautiful tools to Sketch, Write, Draw, Outline, and Color.
CREATE WITH PENCIL
“The Best iPad Stylus”—Wired and The Verge
Express your creativity more naturally with Pencil—FiftyThree’s handcrafted Bluetooth Smart stylus. Pencil’s unique Surface Pressure technology allows you to use Pencil’s tapered shape to fluidly control the width and strength of lines. You can also flip to erase, blend with your finger, and rest your hand comfortably with world-class palm rejection. Connect your Pencil and get all of Paper’s essential tools for free.
JOIN THE MIX
“The world’s first open platform for collaboration.”
Never start from scratch again. Find the perfect template for a task, learn a new skill, or make new connections with collaborators around the world. Share your ideas, get feedback, and find the inspiration you need to jumpstart your creativity. Mix is where the world creates together.