Notability

Notability is a powerful note-taking app for iPad and Apple devices, specializing in handwriting, sketching, and PDF annotation. Its standout feature is audio recording that syncs with your notes, perfect for lectures and meetings. It organizes notes into subjects and dividers. It's the premier choice for students and professionals who take handwritten or annotated notes.

It uses a one-time purchase model. It scores highly for its best-in-class handwriting experience and audio syncing, making it a specialized tool for certain knowledge capture workflows.