Compare the Top PDF Encryption Apps for iPhone as of April 2025

What are PDF Encryption Apps for iPhone?

PDF encryption software is a type of program used to protect documents in the PDF format. With it, users can protect the contents of their documents by setting passwords and restricting certain editing permissions. It can also be configured to set expiration dates for documents, ensuring that they remain secure until a specified time. By encrypting PDFs, users are able to keep their sensitive information safe and secure from unauthorized viewing. Compare and read user reviews of the best PDF Encryption apps for iPhone currently available using the table below. This list is updated regularly.

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    Foxit PDF Editor

    Foxit PDF Editor

    Foxit Software

    Edit your PDFs with powerful yet easy workflows across desktop, mobile, and web - whether you’re at the office, home or on the go. Foxit PDF Editor provides a cost-effective solution for business professionals to work securely with PDF documents and forms. It provides a full featured platform to view, create, edit, collaborate, share, secure, organize, export, OCR, and eSign PDF documents. With its enterprise functionality, integration, and mass deployment capabilities, combined with its affordability, it makes a great alternative to evaluate when yearly subscriptions of existing PDF solutions expire. Foxit PDF Editor comes in two editions-PDF Editor and PDF Editor Pro. Foxit PDF Editor is perfect for individuals and groups of knowledge workers who need to create, review, edit, manage, share, and secure PDF documents. PDF Editor Pro builds upon PDF Editor by providing knowledge workers with additional editing, collaboration, and security capabilities required in larger organizations.
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    Starting Price: $14.99 US per month
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    Adobe Acrobat
    Adobe Acrobat keeps you connected to your team with simple workflows across desktop, mobile, and web — no matter where you’re working. Your needs are always evolving. And the way you work evolves with it. That’s why we’re continually improving and adding features to Adobe Acrobat. And when you buy Adobe Acrobat Pro, you’ll always get the newest features the moment they’re released. More than five million organizations around the world rely on Acrobat DC to create and edit the smartest PDFs, convert PDFs to Microsoft Office formats, and so much more. When you’re on the move and you need to collaborate with colleagues in multiple locations, trust the power of Adobe Acrobat to make it happen. No matter where you are or what device you're on, keep the collaboration going. With Adobe Acrobat you can easily share PDFs to be viewed, reviewed, and signed, and even track their progress — from any device and any location.
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    Starting Price: $12.99 per month
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    Smallpdf

    Smallpdf

    Smallpdf

    Made in Switzerland, the land of watches, banks, and clean design, Smallpdf is an award-winning company that offers a suite of clever document management tools for everyone—for work, for home, for life. Founded in 2013, Smallpdf provides a simple, secure, and reliable answer to heavy, awkward PDF software. By removing unnecessary features and adding a deep focus on user experience, Smallpdf has become the most-loved and most-trusted PDF software on the planet, serving over 500 million users, 100,000 different companies, in 24 different languages, and in every country in the world—even Antarctica! Smallpdf integrates seamlessly with professional and personal tasks, boosting productivity and simplifying the way people manage their documents, with tools to compress, convert, edit, sign, protect, and unlock PDF documents in just a few easy steps.
    Starting Price: $7/month/user
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    AxCrypt

    AxCrypt

    AxCrypt

    AxCrypt is an award-winning and easy to use, file and password encryption software, available on Windows, Mac, iOS and Android. Use AxCrypt to encrypt and protect your sensitive files, passwords and business data. AxCrypt comes with several unique features, including: ✅ Mobile Encryption ✅ Automatic Cloud Encryption ✅ Password Manager ✅ Automatic Encryption ✅ Encrypted File Sharing ✅ Master Key AxCrypt has been consistently awarded as the ‘Best Encryption Software’ by PC Mag for 7 years in a row, starting in 2016. AxCrypt is available on Windows, Mac, iOS and Android, and integrates with popular cloud storage providers such as Google Drive, OneDrive, and Dropbox. "Advanced encryption in a superbly simple setting" - PCMag Editor's choice 2023 With AxCrypt you easily and securely protect all your important files, in an interface that is clean and simple to use. AxCrypt implements strong AES-256 encryption.
    Starting Price: $3.63 per month
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    PDFelement

    PDFelement

    Wondershare

    PDFelement is a one-stop PDF solution powered by AI. Fast, smart, affordable, and easy way to manage (.pdf) documents across desktop, mobile, and web. It provides a great user experience and is an excellent alternative to Adobe® Acrobat®, making it perfect for individuals and small businesses. The mission is to stay at the forefront of PDF technology, constantly innovating and improving our product to meet the evolving needs of our users. Support service: Knowledgeable representatives available through instant live chat and email response within 24 hours. Money-back guarantee: A 30-day money-back guarantee. Top Features: AI tools, esign, edit, convert, scan&OCR, create, organize, share&protect, build&fill forms, annotate.
    Starting Price: $79.99USD/year/user
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    Xvast

    Xvast

    Haihaisoft

    Chrome's core speed. Your fast and secure browser. Support the latest HTML5 features, including playlist and PDF viewer, support encrypted PDF DRM. Xvast supports DRM-X 4.0 protection. It enables you easily enjoy the protected premium content. It supports DRM-X 4.0 web page encryption (HTM,HTML encryption), audio/video encryption, PDF encryption, image encryption, and Javascript encryption. Includes HTML5 Video DRM protection, it supports playback high definition video both online and offline. Security updates, memory optimization, PDF download button added, and error message display optimized. Support third-party apps import files to Xvast iOS. Solved messy code problems in a non-UTF8 webpage. The web page is now displayed in full size. Xvast core upgraded to Chrome 85, fix Android 10 spin crash bug. Online playback audio and high definition video smoothly, and save more battery.
    Starting Price: Free
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    DRM-X

    DRM-X

    Haihaisoft

    DRM-X 4.0 content protection platform, with new security architecture and more advanced security features. You can securely distribute protected Audio/Video, PDF, Web pages, Images and Javascript to Windows, Mac, iPhone/iPad and Android. With DRM-X 4.0 protection, you can get rid of the problem that you cannot effectively deliver and sell these contents due to piracy. DRM-X, Haihaisoft's digital rights management platform. Haihaisoft provides DRM as a service. The copy protection platform includes: File Encryption, Audio/Video Encryption, PDF Encryption, and Web Page (HTML DRM Encryption), all of them with DRM-X 4.0 advanced DRM features, and you can manage users, groups, rights and license profiles online in your DRM-X account. DRM-X 4.0 is a new generation DRM software platform based-on Xvast browser. It with new security architecture, support online/offline playback, improved user experience. DRM-X provides dynamic watermarking capabilities on protected digital content.
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    PDF Unshare

    PDF Unshare

    PDF Unshare

    PDF Unshare is a PDF copyright protection utility that creates unshared PDF files to protect your PDF files from sharing, printing, editing, copying or unauthorized accessing. This creative document protection tool also allows you to set an expiry date for the protected PDFs, and then all these documents would not be viewed after that date. Now entrepreneurs, book publishers or educational institutions can easily protect their documents from unauthorized sharing to other people or publishing online with this handy application. The protected files can be viewed on Windows PC/laptops, iPhone/iPad and Android devices by the free Unshared PDF reader program, also prevents people from taking screenshots while viewing the document content. You can also set the watermark text and customize the watermark color to the protected documents.
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