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VeryPDF PDF Annotator Framework SDK for iOS


PDF Annotator SDK for iOS

  • Powerful PDF Annotation Framework for iOS Developers!
  • Markup and annotate PDF files on iPhone and iPad
  • Add notes & annotations to any PDF document
  • Highlight text, draw plus many more annotation types
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VeryPDF PDF Annotator Framework SDK for iOS is an Objective-C framework to annotate PDF documents on the fly from any iOS (iPhone and iPad) application. The framework does not rely on any 3rd party products for PDF annotation. It hides the complex structure of PDF files behind a simple object model that allows annotation of complex PDF files with a few lines of code.


VeryPDF PDF Annotator Framework SDK for iOS can be used with iOS applications without any restrictions. The framework is written entirely in Objective-C and supports both ARC and non-ARC applications.


The PDF Annotator Framework SDK is licensed per app and can be distributed ROYALTY FREE, reducing your project costs.


Easily integrate PDF annotation capability into your app. The SDK is ready to be used in your iOS project right away. VeryPDF PDF Annotator Framework SDK for iOS is already implemented in several live applications used by lots of customers. We also use it in our iPhone and iPad apps, Check out all of VeryPDF Apps in App Store.


We offer dedicated support and continous improvement and extension of the SDKs functionality.

System Requirements

  • Apple iOS 6.x and later (iPhone and iPad)
  • Xcode 5.x (SDK 7) and later
  • Objective-C and C++ language bindings included
  • Mac OS X 10.7 or higher

Features of PDF Annotator Framework SDK for iOS

General Functions
  • PDF Annotator Framework SDK for iOS is a document annotation SDK for your mobile applications.
  • PDF Annotator Framework SDK supports iOS 6 and higher and Mac OS X 10.7 and higher.
  • SDK is a library for developers who want to render, manipulate, annotate PDF files on iOS platform.
  • Powerful Objective-C PDF Rendering for iPhone and iPad apps.
  • Add notes to documents with pen, highlighter, typewriter, and more.
  • Re-save annotated/modified PDF to a new PDF file.
  • Highly optimized caching algorithm.
  • Offline pre-rendering of PDF pages at different sizes integrated with the caching system.
  • Thumbnail grid display.
  • Pinch to zoom.
  • Double tap to zoom in and out.
  • Retina Display ready.
  • Optimized for both the iPhone and iPad.
  • Includes a demo Xcode project demonstrating the common usage of the SDK's features.
  • Highlight text, draw plus many more annotation types each with their own style controls.
  • Customize the interface to fit you application's look and enable or disable features.
  • PDF Annotator Framework SDK for iOS has the fastest PDF rendering engine, deeply optimised to leverage the hardware of each Apple device.
  • Create and Edit Annotations. Render, create, edit and flatten annotations.
  • Reliable and Complete. PDF Annotator Framework SDK can handle almost all PDFs found in the wild, and will automatically repair "broken" ones.
  • Advanced rendering. PDF Annotator Framework SDK includes a highly optimized PDF renderer. Unlike most iOS PDF SDKs, we do not rely on CoreGraphics for PDF rendering, and provide more reliable and in most cases a faster experience.
  • Specialized Features. PDF Annotator Framework SDK includes specialized Add-On capabilities such as PDF optimization (to reduce file size), redaction and PDF/A validation, generation and conversion.
  • A Complete PDF Solution for iOS. Extensive API supports PDF viewing, page annotation, page and document manipulation, interactive form filling, import and export from various formats, PDF stamping, splitting and merging, text search and highlighting, content extraction, redaction, optimization, PDF/A support, etc. For details please see feel free contact us.
  • Are you looking for a custom-build version of PDF Annotator SDK for iOS? No problem, please feel free contact us.

Technical Details

Input Formats

Output Formats

  • PDF

Programming Skills

  • Objective-C and C++ languages
  • Xcode Framework
  • Mac OS X Platform

Xcode Requirements

  • The source code of PDF Annotator Framework SDK is developed on Xcode 6.1 with iOS Base SDK 8.1.
  • PDF Annotator Framework SDK works on a deployment target of iOS 7 or greater on armv7, armv7s, arm64 and can be used in ARC and non-ARC projects.
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