Compare the Top PDF Annotators for iPad as of October 2026

What are PDF Annotators for iPad?

PDF annotation tools are pieces of software designed to allow users to add notes and highlight text on PDF documents. They can be used by students or professionals to mark up documents, make comments, and organize information in an intuitive way. Annotations may also include drawing shapes or adding images. The annotations can then be saved with the document for easy sharing and future reference. Compare and read user reviews of the best PDF Annotators for iPad currently available using the table below. This list is updated regularly.

  • 1
    MobiPDF

    MobiPDF

    MobiSystems

    MobiPDF (formerly PDF Extra) is an intuitive and powerful PDF editor and reader designed for today’s modern user - the cost-efficient alternative to Adobe Acrobat Pro you’ve been looking for. FEATURES OVERVIEW: PDF Viewer and Reader: Switch between page views or use "Read Mode" for distraction-free reading. Create and Edit PDFs: Modify text and images or start with a blank PDF. Convert to Office Formats: Easily turn PDFs into Word, Excel, PowerPoint, and image files. Leverage OCR: Transform scanned documents into searchable PDFs. Organize PDFs: Combine, split, reorder, and compress documents. Markup and Comment: Highlight, annotate, and add bookmarks or stamps. Fill PDFs: Seamlessly fill forms or create ones from scratch. Sign PDFs: Sign your documents anywhere—no ink required! Secure Your Work: Protect files with passwords, digital signatures, and 256-bit encryption. Offline Mode: Full functionality without internet access. Translate PDFs
    Leader badge
    Starting Price: $49.99
    Partner badge
    View Software
    Visit Website
  • 2
    Nitro PDF

    Nitro PDF

    Nitro Software

    Nitro PDF is a full-featured PDF editor and is recognized as the strongest alternative to Adobe Acrobat. It's simple to purchase, easy to implement, and straightforward to use. With a powerful suite of tools, you can easily edit, convert, sign, annotate, combine, secure, and protect your documents, streamlining workflows and allowing you to focus on what matters. Our flexible plans and affordable pricing cater to everyone, from individual users and small teams to large enterprises. Plus, we offer a wide range of support resources to ensure the success of every customer.