Compare the Top PDF Annotators for iPhone as of October 2026

What are PDF Annotators for iPhone?

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 iPhone currently available using the table below. This list is updated regularly.

  • 1
    Apryse PDF SDK
    Apryse (formerly PDFTron) powers the future of document technology. We help businesses, developers, and enterprises handle documents with unmatched speed, accuracy, and security. Whether running in secure server environments or delivering seamless web-based experiences, Apryse makes document workflows smarter and easier. With Apryse, you can: Embed powerful document features directly into your apps — from viewing and editing to collaboration and compliance. Run at enterprise scale on secure server infrastructure, ensuring reliability without cloud dependencies. Deliver seamless in-browser document experiences with responsive, accessible, and feature-rich web capabilities. Trusted globally, Apryse empowers organizations to simplify operations, enhance productivity, and create exceptional document experiences.
    Starting Price: 0.00
    View Software
    Visit Website
  • 2
    Nutrient SDK
    Nutrient is the comprehensive solution for all your PDF needs, offering tools that effortlessly integrate and operate PDF functionality across any platform. 1. SDK PRODUCTS Integrate robust PDF functionality into iOS, Android, Windows, web (JavaScript), or any cross-platform technology, providing capabilities such as PDF viewing, markup, collaboration, and more. 2. LIBRARIES Utilize our potent .NET and Java libraries to boost your backend applications with batch processing of redactions and PDF forms, OCR’d scanned text, and editing of PDF documents, directly from your application server. 3. PROCESSOR Our dynamic PDF microservice, Processor, enables swift generation of PDFs from HTML, including HTML forms, along with Office-to-PDF conversions, OCR, redaction, and XFDF merging and exporting. 4. PDF API Use hosted PDF API to generate, convert, and modify PDF documents in your workflows. We manage the development and server administration, letting you focus on what you do best.
    Leader badge
    Partner badge
    View Software
    Visit Website
  • 3
    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
  • 4
    DocMadeEasy

    DocMadeEasy

    iDeskCentric

    From NDAs to loans, from sales contracts to offer letters, Our eSignature tool DocMadeEasy helps companies of all sizes streamline and digitally sign their most critical documents. Unlimited electronic signatures are included in every subscription, plus powerful document features such as hosted sign, bulk sign and templates. Our tool is also a powerful PDF editor. You can use it to annotate pages, insert images, create or manage fields, whiteout texts, merge PDFs, and more. You can also use our service to securely share files with real-time control and insights. End-to-end encryption with AES256. Track and analyze how recipients engage with each page of
    Starting Price: $0
  • 5
    Drawboard PDF

    Drawboard PDF

    Drawboard

    Drawboard PDF is the most intuitive PDF editing and markup app for Windows, iOS, macOS, android and web. Powerful PDF tools that feel good to use. Drawboard PDF – Get all the essential free. Mark up and edit any PDF with the ease of pen and paper. Drawboard Pro toolset - Upgrade to use advanced tools and Store+Share with your team. MARK UP AND DRAW All the drawing tools you need to mark and collaborate with the feel of pen and paper. INSERT Insert elements into your documents like, text, notes, callouts, signatures, images, audio notes, and more. MEASURE Take accurate measurements of elements on-page with technical measurement tools and calibration. MANAGE Local and Clouds PDFs in one place. Merge, split, reorder and compress COLLABORATE Real-time collaboration on-page in real time with instant syncing CROSS-PLATFORM Work from anywhere on any device, in real-time!
    Leader badge
    Starting Price: $5.99 per month
  • 6
    PDF Reader Pro

    PDF Reader Pro

    PDF Technologies, Inc

    Back to School Bonanza! Enjoy 50% OFF on PDF Reader Pro and Filmage Screen Buy PC Version, Get Mobile Version Free Aug.15. 2024 - Sept.5. 2024 PDF Reader Pro is powered by PDF Technologies®, founded in 2014, which is a leading software provider of affordable, secure Out-of-Box PDF solutions on Windows, Mac, iOS, & Android. SMBs, IT service, and knowledge workers increase their productivity by using PDF Reader Pro to make workflow smarter. As the best alternative to Adobe® PDF solution, PDF Reader Pro is a PDF powerhouse that will fulfill all your document needs. We offer free Trial and education plans, as well as PDF Technologies’ Software Development Kits (ComPDFkit/SDKs) to help developers reduce costs and improve productivity by integrating industry-leading PDF technologies into application workflows. Welcome to try. If you are interested in being our reseller or distributor, you can check our official site->Business->Partnership Program.
    Starting Price: $19.99/one-time/user
  • 7
    UPDF

    UPDF

    Superace Software Technology Co., Ltd.

    UPDF supports editing, annotating, and managing PDF seamlessly on for Windows, Mac, iOS and Android. You can get every tool you need to edit, annotate, and organize your PDF files in one premiere all-rounder smart application. It is explicitly designed to meet the desire of most users for a stunning yet very comprehensible interface that is not just only for beginners. Key Features: 1. Edit PDF Document - You can add or delete texts as well as edit the text's properties and formats such as its font style, font color, and size. - You can also crop, rotate, replace, extract or delete images. 2. Annotate PDF - Easily highlight, underline, and strike out those parts. You can also add shapes, sticky notes and text boxes for a quicker and easier means of adding texts. 3. PDF Page Management - Rotate, delete, extract and rearrange PDF pages as you need. 4. View and Navigate PDF Files - Flexible reading mode such as single page mode or double-page mode.
    Starting Price: Free
  • 8
    PDFgear

    PDFgear

    PDFgear

    PDFgear is an all-in-one PDF solution that helps users view, edit, protect, convert, sign, annotate, organize, OCR, Copilot, organize PDF files, and make more possibilities on Windows, MacOS, iOS, and iPadOS. PDFgear offers all expected functions in its clean and straightforward interface so users could enjoy their document reading and editing experience without disturbance. PDFgear Copilot provides more possibilities as a personal document assistant. As it's powered by AI, users could easily manipulate all PDFgear functions and chat with PDFs by asking PDFgear Copilot. Get lost in various functions and comprehensive document content? Don't worry! Just ask Copilot! It will cover everything. With PDFgear and Copilot in it, processing PDF is like a walk in the garden.
    Starting Price: Free
  • 9
    KDAN PDF

    KDAN PDF

    Kdan Mobile Software

    KDAN PDF is a high-performance document intelligence solution designed for professionals who require robust editing and analysis tools across Windows, Mac, iOS, and Android. It functions as a comprehensive PDF engine that streamlines the document lifecycle through advanced AI integration. Users can leverage the built-in AI assistant to summarize long reports and extract structured data from complex files instantly. The software excels in high-accuracy OCR, supporting over 50 languages to transform scanned images into searchable text. Key metrics of KDAN PDF include its optimized app launch speeds and powerful offline processing capabilities, allowing for secure text editing, file conversion, and page management without an internet connection. With features like Bates numbering, secure redaction, and multi-format conversion (Office, HTML, ePub), KDAN PDF provides a flexible and efficient environment for managing professional digital archives on any device.
    Starting Price: $59.99/year (billed annually)
  • 10
    ImageGear

    ImageGear

    Accusoft

    This document and image clean up and processing toolkit allows developers to quickly integrate document handling functions like image conversion, creation, editing, manipulation, compression, and image enhancement to their applications. ImageGear gives your application the ability to clean up files including deskew, line and speckle removal, and more. In addition, ImageGear’s color processing tools allow you to enhance image quality resulting in a reduction in compressed file sizes. This document and image processing SDK includes a variety of APIs that enable image clean up and processing. Add functionality to your applications, learn how you can meet all your document lifecycle needs with ImageGear. This PDF SDK allows .NET developers to add robust PDF functionality to an application. Users can view, convert, annotate, compress, redact, insert, remove, or reorder pages. Learn about all of the PDF manipulation capabilities and discover how ImageGear PDF can enhance your application.
  • Previous
  • You're on page 1
  • Next