Compare the Top PDF Encryption Apps for iPhone as of December 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.

  • 1
    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
  • 2
    Folder Lock

    Folder Lock

    NewSoftwares.net

    Encrypt your files with AES 256-bit military-grade encryption or lock your files from view and access. Keep prying eyes at bay! Folder Lock can Lock and Hide files and folders within seconds. It enables you to Password Protect and restricts unwanted eyes from viewing files, folders, and drives. Once you’ve locked a folder, it will be hidden from its previous location and can only be accessed through the software interface. Folder Lock creates Lockers. Just as you would put your money in a safe, would you like to keep your files in a digital ‘Locker’ that’s safer than a bank’s vault? You can create ‘Locker(s)’ which are protected by AES 256-bit encryption. You need not encrypt or decrypt files when accessing; simply copy them to Locker and voila! They are encrypted on the fly. Folder Lock offers a 2-way encryption and backup method, letting you backup your encrypted ‘Lockers’ online.
    Starting Price: $39.95/one-time/user
  • 3
    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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