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Best Free Book Download PDF Apps

218+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated May 2026

eBook Search is the household name in free book download pdf, but it's far from the only option. We track 218+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Free Book Download PDF

eBook Search - download books#1

eBook Search - download books by Inkstone Software, Inc.

Paper free book library
Editor's Choice
📚 Books
4.5😊(3.4K ratings)
FreeAds
eBook Search - download books screenshot 1
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eBook Search - download books screenshot 4

Access a vast digital library of over 2 million free eBooks across all genres. Instantly download titles directly to your preferred reading device, including Kindle, Nook, and iBooks, without needing a library card. Discover classics, thrillers, and more, all available at your fingertips.

What We Love

  • 💻 Easy to use
  • 📚 Great selection of books
  • 🆓 Many free books available
  • 🔍 Helpful search functionality

Room to Improve

  • 🔍 Difficult to browse and discover books
  • ⚠️ Some books unavailable or require payment
  • 📄 Blank or incomplete book downloads
PDF Editor ,PDF Book Reader ®#2

PDF Editor ,PDF Book Reader ® by Milad Fakhr

PDF App,PDF Scanner, Converter
Strong Contender
🔧 Utilities
4.3😊(22K ratings)
FreeIn-App Purchases
PDF Editor ,PDF Book Reader ® screenshot 1
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PDF Editor ,PDF Book Reader ® screenshot 4
PDF Editor ,PDF Book Reader ® screenshot 5
PDF Editor ,PDF Book Reader ® screenshot 6

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

What We Love

  • 🚀 Easy to use and navigate
  • 👍 Helpful for signing documents
  • 🚀 Efficient PDF editing and management
  • 🚀 Reliable performance and compatibility

Room to Improve

  • 🐛 Issues with saving edits and text input
  • 🐛 Occasional crashes or freezes
  • 🔒 Concerns about privacy and data collection
CamScanner - PDF Scanner App#3

CamScanner - PDF Scanner App by INTSIG Information Co., Ltd

Сканер текста,фото,файлов PDF
Worth Considering
📊 Productivity
4.8😐(1.8M ratings)
FreeAdsIn-App Purchases
#9in Productivity
CamScanner - PDF Scanner App screenshot 1
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CamScanner - PDF Scanner App screenshot 5
CamScanner - PDF Scanner App screenshot 6

Transform your mobile device into a powerful portable scanner. Instantly scan, edit, and share documents in various formats like PDF, JPG, Word, and TXT. Features include OCR, e-signatures, and secure file management.

What We Love

  • 🚀 Efficient scanning and document management
  • 📁 Convenient cloud storage and backup
  • 🔍 Powerful OCR and document enhancement features
  • 🔧 Customizable scanning and editing options

Room to Improve

  • 🔒 Concerns about data privacy and security
  • 🤖 Inconsistent OCR and text recognition accuracy
  • 💰 Aggressive upselling and subscription model

More Free Book Download PDF apps to explore

4
Apple Books
Apple Books
Apple Books
Read, listen, discover.
Free

Discover, read, and listen to millions of books and audiobooks. Browse curated collections, personalized recommendations, and bestsellers. Customize your reading experience with various themes and settings, and set reading goals to build a habit. Share your library with family.

Discover millions of books and audiobooksPersonalized recommendations and curated collectionsCustomizable reading experience (fonts, themes, spacing)
📚 Books
(71K)
free with in-app purchases
5
Adobe Scan: PDF & OCR Scanner
Adobe Scan: PDF & OCR Scanner
Adobe Scan: PDF & OCR Scanner
Mobile Docs & Photo Converter
Free

Transform your mobile device into a powerful document scanner. Easily convert paper documents, receipts, and IDs into professional-looking PDFs or JPEGs. Enhance scans with automatic straightening, stain removal, and editable text conversion.

High-speed bulk scanningConvert paper to PDF/JPEGAutomatic straightening
💼 Business
(1.6M)
free with in-app purchases
6
PDF Reader & PDF Editor
PDF Reader & PDF Editor
PDF Reader & PDF Editor
Read, Edit, Sign PDF Files
Free

This app is a comprehensive tool for managing PDF documents. It allows users to quickly view, annotate, edit, and organize PDFs, as well as convert images to PDF. Advanced features like merging, splitting, and password protection are also available.

Fast PDF viewingPDF annotation and markupAdd e-signatures
💼 Business
(666)
free with in-app purchases
7
Acrobat Reader: PDF Editor
Acrobat Reader: PDF Editor
Acrobat Reader: PDF Editor
Documents Editor & Converter
Free

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

View, edit, and annotate PDFsSign and fill PDF formsConvert files to and from PDF
💼 Business
(628K)
freemium
8
Google Play Books & Audiobooks
Google Play Books & Audiobooks
Google Play Books & Audiobooks
Books & Audiobooks
Free

Access millions of ebooks, audiobooks, comics, and manga in one app. Organize your library, enjoy customizable reading and listening experiences, and take your stories anywhere, even offline. Features include smart notes, kid-friendly tools, and voice control for audiobooks.

Millions of ebooks, audiobooks, comics, mangaOffline reading and listeningCustomizable library shelves
📚 Books
(9.6K)
free with in-app purchases
9
Read4Me - Talk Browser PDF DOC
Read4Me - Talk Browser PDF DOC
Read4Me - Talk Browser PDF DOC
Listen Web, TTS, Text to Audio
Free

Transform any web page, PDF, or scanned document into an audio experience. Listen to content at your preferred speed with natural-sounding voices. Ideal for hands-free consumption of digital and physical text.

Listen to web pagesConvert PDFs to audioScan and listen to books/papers
🔧 Utilities
(4.2K)
free with in-app purchases
10
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
Edit,read,sign,annotate pdf
Free

This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.

AI Chat with PDFScan and OCRPDF to Office Conversion
📊 Productivity
(7.5K)
free with in-app purchases
11
PocketBook Reader
PocketBook Reader
PocketBook Reader
PDF, EPUB, FB2, Audiobooks
Free

This app is a versatile reader supporting 26 book and audio formats, including EPUB, PDF, and audiobooks. It offers features like PDF reflow, text-to-speech, cloud synchronization, and extensive customization options for a comfortable reading experience.

Supports 26 book and audio formatsPDF Reflow functionText-to-speech engine
📚 Books
(8.8K)
free with in-app purchases
12
PDF Reader Pro Edition®
PDF Reader Pro Edition®
PDF Reader Pro Edition®
Annotate,edit & sign PDFs
$1.99

This powerful application allows users to read, manage, edit, and annotate PDF files on iOS devices. It offers real-time online collaboration, form filling, and advanced annotation tools. Create, organize, and secure your PDF documents with ease.

Real-time online collaboration and chatFillable PDF formsExtensive annotation tools (highlight, notes, signature)
💼 Business
(1.7K)
paid
13
Rah Book Reader
Rah Book Reader
Rah Book Reader
by Majid Sharifi
Free

This application allows users to download and read PDF documents and audiobooks. It offers a simple and free experience for accessing digital content on mobile devices.

Download PDF documentsRead audiobooksSimple interface
📚 Books
(8.9K)
free
14
PDF Converter - Reader for PDF
PDF Converter - Reader for PDF
PDF Converter - Reader for PDF
PDF Scanner, Editor, Creator
Free

Easily find, create, convert, and edit PDF documents. Search for PDFs online, convert various file types to PDF, and download multiple files simultaneously. Annotate and highlight text within your documents.

Search PDFs onlineCreate PDFs from websitesConvert documents to PDF
🔧 Utilities
(18K)
free with in-app purchases
15
PDF it All Document Converter
PDF it All Document Converter
PDF it All Document Converter
Compress PDF Photos,Files,Word
Free

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to compress, convert, edit, merge, split, sign, and protect PDF files. All operations are performed locally on the device for enhanced security.

Compress PDF filesConvert Office, Web, Photos to PDFEdit PDF pages (remove, rotate)
📊 Productivity
(7.9K)
free with in-app purchases
16
ReadEra – book reader pdf epub
ReadEra – book reader pdf epub
ReadEra – book reader pdf epub
Read books & PDF files easily!
Free

This app allows you to read and listen to books and documents in various formats, including PDF and EPUB. It offers text-to-speech functionality, customizable reading settings, and a built-in book manager for your library. Enjoy an ad-free and registration-free reading experience.

Multi-format ebook support (EPUB, PDF, MOBI, DOCX, etc.)Text-to-Speech (TTS) for listening to booksAd-free and registration-free experience
📚 Books
(222)
free
17
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Editor & Viewer, PDF Maker
Free

This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.

Liquid Mode for optimized mobile readingAnnotation tools (pencil, text, highlighting)Handwritten signature insertion
📊 Productivity
(3.9K)
free
18
Books Guru It's Time to Read
Books Guru It's Time to Read
Books Guru It's Time to Read
Online pdf books mega library
Free

Access a vast online library of free books and documents. Download PDFs directly from the web using the built-in browser and read them offline. Organize your library with favorites, bookmarks, and search functionalities.

Online library with diverse book typesDirect PDF download from webOffline reading and local storage
📚 Books
(8)
free with in-app purchases
19
Documents: File Manager & Docs
Documents: File Manager & Docs
Documents: File Manager & Docs
Converter. Downloader. Reader.
Free

This app is a comprehensive file manager and document editor for mobile devices. It allows users to organize, edit, convert, and annotate various file types, including PDFs, Office documents, and audio/video files. It also features transcription, scanning, and cloud integration.

Edit PDFs directlyConvert files to PDFOrganize files and folders
📊 Productivity
(617K)
free with in-app purchases
20
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photo & image to Scan Document
Free

Easily convert your photos and images into PDF documents in just three simple steps. This app offers a user-friendly interface, versatile editing options, and secure, on-device processing. Manage, sign, and share your PDFs effortlessly.

Image to PDF conversionUser-friendly designImage rotation and filters
📊 Productivity
(67K)
free with in-app purchases