1. Home
  2. Topics
  3. File Reader Annotations

Best File Reader Annotations Apps

200+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated May 2026

GoodReader PDF Editor & Viewer is the household name in file reader annotations, but it's far from the only option. We track 200+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for File Reader Annotations

GoodReader PDF Editor & Viewer#1

GoodReader PDF Editor & Viewer by Good.iWare, Inc.

PDF Annotator, File Manager
Editor's Choice
📊 Productivity
4.7😊(14K ratings)
$5.99In-App Purchases
#28in Productivity
GoodReader PDF Editor & Viewer screenshot 1
GoodReader PDF Editor & Viewer screenshot 2
GoodReader PDF Editor & Viewer screenshot 3

A versatile PDF editing application that allows users to annotate, organize, and edit PDF documents seamlessly on all devices with advanced features for productivity. Try it now and streamline your document management tasks effortlessly.

What We Love

  • 🚀 Excellent for reading and annotating PDFs
  • 📚 Powerful file management and organization
  • 💻 Seamless integration with cloud storage
  • 🎨 Customizable reading experience

Room to Improve

  • 🔒 Subscription model for some features
  • 🔀 Cluttered interface after recent update
  • 🐛 Occasional crashes and stability issues
PDF Reader - Editor & Viewer#2

PDF Reader - Editor & Viewer by Kdan Mobile Software LTD

Editor, Converter, OCR
Strong Contender
🔧 Utilities
4.5😐(2.9K ratings)
FreeIn-App Purchases
PDF Reader - Editor & Viewer screenshot 1
PDF Reader - Editor & Viewer screenshot 2
PDF Reader - Editor & Viewer screenshot 3
PDF Reader - Editor & Viewer screenshot 4
PDF Reader - Editor & Viewer screenshot 5
PDF Reader - Editor & Viewer screenshot 6

A feature-rich PDF reader app that allows you to view, edit, and annotate PDF files easily on-the-go. Enhance your productivity with its intuitive interface and powerful editing tools. Download now to streamline your document management tasks.

What We Love

  • 👍 Good app
  • 🚀 Fast and efficient
  • 📚 Useful for reading PDFs
  • 🔒 Secure file storage

Room to Improve

  • 🐛 Crashes and freezes
  • 🔐 Locked files behind paywall
  • 💰 Expensive subscription
Documents: File Manager & Docs#3

Documents: File Manager & Docs by Readdle Technologies Limited

Converter. Downloader. Reader.
Worth Considering
📊 Productivity
4.6😊(113K ratings)
FreeAdsIn-App Purchases
#54in Productivity
Documents: File Manager & Docs screenshot 1
Documents: File Manager & Docs screenshot 2
Documents: File Manager & Docs screenshot 3
Documents: File Manager & Docs screenshot 4
Documents: File Manager & Docs screenshot 5
Documents: File Manager & Docs screenshot 6

Manage and organize all your files efficiently with our user-friendly file manager. Easily categorize, search, and access your documents on the go. Simplify your file management tasks today.

What We Love

  • 💯 Excellent file management capabilities
  • 🚀 Seamless integration with cloud services
  • 📚 Versatile document viewer and editor
  • 🎵 Reliable offline music player

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 🔒 Concerns over in-app subscription model
  • 🔍 Inconsistent search and file management functionality

More File Reader Annotations apps to explore

4
PDF Reader Pro Edition®
PDF Reader Pro Edition®
PDF Reader Pro Edition®
Annotate,edit & sign PDFs
$1.99

Read, annotate, and edit PDF documents with ease using this comprehensive application. Simplify your workflow, collaborate seamlessly, and stay organized. Experience the ultimate PDF tool now!

💼 Business
(1.7K)
5
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
Edit, Convert Documents・Expert
Free

Edit, sign, annotate, and protect PDF documents with ease using this feature-rich application. Simplify your document management tasks and enhance productivity on the go. Download now to streamline your PDF workflow.

📊 Productivity
(2.4K)
6
A1 PDF Editor: Edit PDF & Sign
A1 PDF Editor: Edit PDF & Sign
A1 PDF Editor: Edit PDF & Sign
Markup, PDF Converter & Reader
Free

Edit, sign, scan, and manage PDF files seamlessly across devices with our app. Try all premium tools free for 3 days and unlock unlimited possibilities with A1 PDF Editor. Experience efficient PDF conversion, annotation, collaboration, and offline work capabilities. Subscribe now for a free trial and revolutionize your mobile workflow.

💼 Business
(853)
7
PDF Editor ®
PDF Editor ®
PDF Editor ®
Edit, Reader Converter Maker 7
Free

Edit, create, and read PDFs effortlessly with our all-in-one application. Whether you need to edit existing PDFs or create new ones from scratch, our tool simplifies the process. Try it now for a seamless document management experience.

💼 Business
(27K)
8
Highlights: PDF Reader & Notes
Highlights: PDF Reader & Notes
Highlights: PDF Reader & Notes
Edit Research Documents/Books
Free

An advanced PDF Reader app that provides features like annotation, highlighting, and note-taking for efficient document management. Easily read, edit, and organize your PDF files on the go.

📊 Productivity
(1.6K)
9
PDF Reader Pro: Scan & Convert
PDF Reader Pro: Scan & Convert
PDF Reader Pro: Scan & Convert
Scan & Edit PDF Fast and Easy
Free

Get a powerful PDF solution for your iPhone or iPad, offering lightning-fast viewing, professional document scanning, and file conversion in one comprehensive app, with features including a fast and intuitive interface, advanced scanning, powerful conversion, and professional editing tools. Download now and transform how you work with PDF documents.

🔧 Utilities
(703)
10
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF App,PDF Scanner, Converter
Free

This app is a versatile tool for viewing, editing, and scanning PDF documents. Easily manage your PDF files with a range of convenient features all in one place. Download now to simplify your PDF tasks.

🔧 Utilities
(831)
11
ReadEra – book reader pdf epub
ReadEra – book reader pdf epub
ReadEra – book reader pdf epub
Read books & PDF files easily!
Free

ReadEra is an app for reading books in multiple formats such as pdf and epub. Enjoy a user-friendly interface and customizable reading experience. Try it now!

📚 Books
(222)
12
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
Edit, annotate, view documents
Free

A powerful PDF reader and editor for iPhone and iPad. Edit, annotate, and fill forms with ease. Subscribe for premium features and offers.

📊 Productivity
(6.8K)
13
PDF Reader - Editor & Scanner
PDF Reader - Editor & Scanner
PDF Reader - Editor & Scanner
Read, Edit, Sign, Scan PDF
Free

Experience effortless PDF reading and editing with this comprehensive app, offering a centralized hub for opening, reading, annotating, and managing PDFs, as well as viewing and editing Office documents and advanced PDF tools. Download now and revolutionize your workflow by using its powerful features, including annotation, signature, and text filling capabilities, all in one free and lightweight solution.

🔧 Utilities
(511)
14
Text Viewer - txt file viewer
Text Viewer - txt file viewer
Text Viewer - txt file viewer
text reader, txt file reader
Free

This simple text viewer app allows users to easily read text-based novels on their smart devices, supporting various file formats and transfer methods, including Wi-Fi, FTP, and iTunes. With features like customizable viewing modes, font and color adjustments, and automatic scrolling, users can enjoy a seamless reading experience, and can try it now for free.

📚 Books
(0)
15
PDF Viewer by Nutrient
PDF Viewer by Nutrient
PDF Viewer by Nutrient
Fill Forms, Sign, Edit, Redact
Free

An advanced PDF viewing application for iPhone and iPad that allows easy annotation, filling forms, signing, editing, and redacting PDF documents. Access files from various cloud services and enjoy a seamless reading experience on the go.

📊 Productivity
(9.1K)
16
PDF Reader Pro – Lite Edition
PDF Reader Pro – Lite Edition
PDF Reader Pro – Lite Edition
Comment,Edit,Sign,Form,OCR PDF
Free
💼 Business
(436)
17
ES File Explorer
ES File Explorer
ES File Explorer
Browse & Music, Docs
Free

Discover a comprehensive file management tool with powerful features for browsing, managing, and organizing files on your device efficiently. Download now to streamline your file management tasks with ease.

📊 Productivity
(15K)
18
KyBook 3 Ebook Reader
KyBook 3 Ebook Reader
KyBook 3 Ebook Reader
Epub, Mobi, Djvu and More
Free

An advanced ebook reading application with support for multiple formats, OPDS catalogs, cloud storage, and powerful annotation features. Enjoy customizable reading modes, convenient cataloguing, and seamless synchronization across devices with subscription options available for enhanced features. Organize, read, and interact with your ebooks efficiently with KyBook 3.

📚 Books
(4.2K)
19
Goodnotes: AI Notes, Docs, PDF
Goodnotes: AI Notes, Docs, PDF
Goodnotes: AI Notes, Docs, PDF
Note taking, canvas & work app
Free

Revolutionize your note-taking experience with an all-in-one digital notebook app that combines handwriting, typing, images, and AI capabilities for smarter notes. From students acing exams to professionals boosting productivity, Goodnotes 6 offers unlimited digital notebooks with seamless synchronization and innovative features. Try Goodnotes today for a year of unlimited, backed up, and searchable digital notes.

📊 Productivity
(430K)
20
PocketBook Reader
PocketBook Reader
PocketBook Reader
PDF, EPUB, FB2, Audiobooks
Free

A versatile and free app for reading all formats of books and listening to audiobooks, supporting 26 formats including EPUB, PDF, and audiobook files. Seamlessly download and sync content through PocketBook Cloud, customize settings, and easily manage your library. An intuitive interface, customization options, and comprehensive features make it an ideal choice for avid readers.

📚 Books
(8.8K)

Looking for something similar to file reader annotations?

Explore related topics

file reader