Compare the Top PDF Encryption Apps for Android as of October 2025

What are PDF Encryption Apps for Android?

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 Android currently available using the table below. This list is updated regularly.

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    Adobe Acrobat
    Adobe Acrobat is a versatile PDF solution that allows users to create, edit, and sign PDF documents seamlessly. Whether you're working on a desktop, mobile device, or online, Acrobat enables you to convert files to and from PDFs, edit text and images, and organize your documents with ease. The platform also offers advanced features like e-signatures, document protection, and PDF comparison, making it ideal for both personal and business use. Acrobat integrates with popular cloud storage services, allowing for easy document sharing and collaboration from anywhere.
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    Starting Price: $12.99 per month
  • 2
    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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