Welcome to Notability: powerful, yet wonderfully simple note-taking and PDF annotation.
Apple Editors' Choice on iPad, iPhone, and Mac! Top selling paid app on iPad App Store, regularly ranked #1.
Students, teachers, and business professionals use Notability daily to take notes, sketch ideas, create checklists, annotate PDFs, mark-up photos, record lectures, provide audio feedback and more. It is uniquely designed for each device to provide the best note-taking experience at school, at home, ...