4.7
The iPad notebook default, with a three-notebook free ceiling.
6 products · Reviewed 16 September 2026
The iPad notebook default, with a three-notebook free ceiling.
Read and annotate in one window on iPad and Android.
Hold four papers side by side and pull threads between them.
Free iPad notebooks with a cheap lifetime unlock and shared pages.
Apple-first PDF editor with a yearly Essential plan and a Mac-only lifetime.
Ask a PDF questions with citations back to the page.