The best annotation app apps on iPhone average 4.5★ across 190+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
An annotation app that enables users to easily add notes, highlights, and drawings to images and PDFs. Enhance your visual content with annotations for better communication and collaboration.
What We Love
🚀 Game changer
🚀 Excellent—the built-in iOS markup features pale in comparison
Take your note-taking beyond paper with this versatile app that offers a powerful yet simple experience. Download for free to discover why it's an Apple Editor's Choice!
Revolutionize your note-taking experience with an all-in-one digital notebook app that combines handwriting, typing, images, and AI capabilities for smarter notes. From students acing exams to professionals boosting productivity, Goodnotes 6 offers unlimited digital notebooks with seamless synchronization and innovative features. Try Goodnotes today for a year of unlimited, backed up, and searchable digital notes.
What We Love
🚀 Excellent note-taking experience
👍 Intuitive and user-friendly interface
🚀 Smooth writing with Apple Pencil
📁 Powerful organization with folders and notebooks