iAnnotate vs SumatraPDF

iAnnotate

Description: iAnnotate is a PDF annotation tool for Mac that allows users to easily add text notes, highlights, drawings, and stamps to PDF documents. It has an intuitive interface and useful collaboration features for sharing annotations.

Type: software

SumatraPDF

Description: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.

Type: software

Pricing: Open Source

iAnnotate Features

• Annotation tools like highlights, underlines, shapes, text boxes
• Sync annotations across devices
• Collaboration features to share annotations
• Search annotations
• Organize with tags and notebooks
• Dark mode support
• iPad app available

SumatraPDF Features

• Lightweight and fast PDF reader
• Supports many document formats like PDF, ePub, MOBI, XPS, DjVu, CHM, CBZ, CBR
• Customizable with themes, keyboard shortcuts
• Tabbed document interface
• Supports annotations and highlighting
• Continuous scrolling
• Supports reflowable text
• Supports digital signatures
• Supports comics book formats
• Supports eBooks
• Supports syncing open documents across devices

iAnnotate

• Not listed

SumatraPDF

• Open Source