This application allows users to view PDFs that have been encrypted using FileOpen technology on their Apple devices. It provides a straightforward way to access secure documents on iPhones and iPads.


239+ iOS apps curated and reviewed
Looking for free file viewer pdf apps? 19 of our 239+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 1.0★ (1) | No | No | May 2026 | |
| 2 | Free | 3.4★ (5) | No | No | Jul 2026 | |
| 3 | Free | 4.2★ (9) | Yes | Yes | Aug 2026 | |
| 4 | Free | 4.6★ (9.1K) | No | Yes | Aug 2026 | |
| 5 | Free | 4.6★ (126) | Yes | Yes | Aug 2026 | |
| 6 | Free was $6.99 | 4.5★ (8) | No | No | Aug 2026 | |
| 7 | Free | 3.6★ (285) | No | No | Jul 2026 | |
| 8 | Free | 4.6★ (440) | No | Yes | Aug 2026 |


This application allows users to view PDFs that have been encrypted using FileOpen technology on their Apple devices. It provides a straightforward way to access secure documents on iPhones and iPads.




Easily open and view over 100 different file types, including documents, images, videos, and archives. Browse files stored on your device or in iCloud Drive. This app also identifies unknown files and displays detailed file information.





Easily view, edit, and manage all your PDF files in one place. Create new PDFs, convert other file types, and scan documents with your device's camera. Protect important files with passwords and merge or split pages as needed.


Easily view, search, and annotate PDF documents on your iPhone and iPad. Import files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features like redaction and combining documents are available with a Pro subscription.


Easily manage, view, and read all PDF documents on your smartphone or tablet. This versatile app offers a simple interface for quick access to files, with features like zoom, dark mode, and easy sharing. It's designed for efficient document handling anytime, anywhere.


This app allows you to view and edit various file types, including code, databases, archives, images, and videos. It supports multiple programming languages and character encodings for code viewing and editing.


This app serves as a universal file viewer, supporting a wide range of document types including PDF, Word, Excel, and PowerPoint. It also handles archives like ZIP and RAR, e-books, and media files, with cloud integration for easy file management and privacy features.


Easily create, edit, and manage PDF files. Convert images to PDFs, merge or split documents, add annotations, and secure your files with passwords. Cloud support allows for convenient access and sharing anywhere.


This app is an all-in-one document manager and PDF editor. It allows users to view, organize, transfer, and edit various file types, including PDFs and Office documents, with a clean interface and offline capabilities.




This app offers robust PDF editing and viewing capabilities, alongside comprehensive file management tools. It allows users to annotate PDFs, manage files from various cloud services, and secure sensitive data with advanced encryption. Enjoy a superior reading experience with features like PDF Reflow and split-screen viewing.


This app acts as a comprehensive file manager, allowing you to easily view, organize, and share various file types including documents, media, and compressed archives. It offers built-in viewers and editors for common formats, along with essential file operations like moving, renaming, and deleting.


This app provides a privacy-focused way to view, organize, and manage PDF files on your device. It offers tools for merging, splitting, securing documents, and converting images to PDF, all processed locally for enhanced data safety.


This utility app allows you to quickly view, edit, and convert PDF files. It supports password-protected documents, various display modes, and can merge or split PDFs. You can also convert documents to PDF and PDFs to images.


Easily view and read various document types including PDF, Word, Excel, and PPT files. This application offers a simple interface for quick access and sharing of your documents.


Easily view and convert DXF files to various formats, including PDF, DWG, and image files. This tool offers batch processing, cloud integration, and a user-friendly interface for professionals, students, and hobbyists.


This app allows you to quickly open, read, and manage PDF documents on your device. It offers features like editing, merging, splitting, and converting photos to PDF. You can also search for files by name.






This app simplifies document management with powerful file compression and conversion tools. Effortlessly reduce PDF sizes for easy sharing or convert them to various formats like Word, Excel, and images. It's designed for efficiency for professionals and students alike.