Chat with Any PDF. Get Instant Summaries and Answers with AI Assistant Online. Use It Now

PDF APK Revolution: The 5 Downloads You Can't Miss in 2024

PDF APK files have been fairly popular in the Android industry. With PDF APK files, you can download top-notch PDF software for your android device. The best thing about these softwares is that they can assist in working with PDF with ease when on the go. Wondering what the best PDF apps for Android are? Stick to this article to explore!

Part 1. What is APK File and What Does it Do?

APK files might be a familiar term for most of the audience that uses the Android operating system. APK or Android Package Kit is a type of file that can be used for distributing Google applications on the Android OS.

The APK files contain the collection of the application's compiled code and the data from its resources. You don't have to deal with APK if you're downloading applications directly from Play Store. However, many websites only support manual downloading via APK files. Like software you download with a .exe extension, you'll have to be highly cautious as they contain malware.

Key Uses of APK Files

Still unsure about the information regarding APK files? Here are some key uses that you need to know.

  • You can download leaked apps using APK files.
  • The apps not present on the Play Store can be easily downloaded using APK files.
  • With APK files, you can overcome area restrictions enforced on the application.
  • You can download the latest updates from Google by overriding carriers.

Contents of an APK File

Here are some of the main contents that are present in every APK file


It is the collection of raw files that the developers bundle with the application.


You may call it the native library (resources storage) that runs on a specific architecture.


The META-INF/ contains the collection of resources and signature list along with the file of the manifest.


A collection of compiled Java classes.


Like strings, these are the compiled resources that the app will utilize.


It contains the name of the APK file, version, and content.

Part 2. Best 5 PDF App Download for Android

So for our Android users, we've put together a list of the top 5 PDF apps with top-notch features you can utilize for your PDF-related tasks. Without further ado, let's dive right into it!


UPDF for Android is a competitive PDF app APK with unique features that anyone with an Android device can benefit from. It is available on various popular platforms, including iOS, Android, Mac, and Windows. The best thing about UPDF is that it is an all-in-one PDF app for Android. It not only allows you to view and read PDFs but also annotate the PDF file with stickers, squiggly lines, shapes, stamps, and more!

Windows • macOS • iOS • Android 100% secure

There is a variety of stickers available in UPDF's stack that can make your dull document more readable. Plus, while reading the file, you can mark/ highlight the important points that can help you with active revision.  

This easy-to-use app is a top-notch PDF reader for android that allows users to read PDF files easily. You can enable slideshow mode if you want to read a file separately and zoom in and out of the PDF file to get a clear view of the text written on it.

In addition, you can manage your PDF files by creating duplicate files, deleting, printing, and even adding them to your favorite among your files. Have a complicated name for a PDF file? Fret not! Just rename it with ease by using UPDF.

Now, you can also command the printer to print your PDF files using UPDF. Moreover, those who want to share their PDF file via a link can easily create a link to their PDF file using UPDF and attach it to an email.

2. Adobe Acrobat Reader

Next on the list is Adobe Acrobat Reader! With 635 million installs, Adobe Acrobat Reader is the world's most reliable and trusted PDF viewer. It's your best bet for working with PDF on the go. It not only enables you to store your files but also lets you view and read them anywhere for free!

Summarizing its features in a sentence; allows sharing, annotating, viewing, and adding e-signatures to PDF documents. You can also get a link to share the PDF or import scanned documents. To access its PDF editing and conversion features, you have to get a premium subscription. In short, it's the ultimate solution to almost all of your PDF concerns.

Although Adobe Acrobat Reader makes an amazing choice for PDF tools, some users, especially beginners, find its interface a bit complicated. Moreover, the pricey Premium subscription fee is another hurdle restricting its way to being the best-of-the-best PDF app android.

3. PDF Reader - PDF Viewer

We have a fantastic PDF tool for you if you are browsing for an easy-to-use PDF viewing app with a simple interface, i.e, PDF Reader – PDF Viewer! This amazing android tool can auto-scan your android device, browsing for PDFs and listing all of them. This way, you can fast open, read, and manage your PDF files with utter convenience.

The main highlight of the PDF Viewer is its support for ultra-fast reading of files in almost all formats, photos, receipts, documents, etc. Besides reading, it can also share PDFs, bookmark PDF pages, add e-signature, take notes, and highlight the text.

Reading in the Dark Mode of the PDF Reader will less stress your eyes. This robust PDF editor also enables the viewers to search PDFs for specific things of their concern. It doesn't end here, as its features list continues with the addition of PDF sharing, PDF securing, PDF annotation, and more.

Conclusively, it's the best buddy if you want a PDF viewer; if you are looking for a PDF editor, this one lacks several features. The currently available app version can't add/delete pages or rotate them. Splitting and merging files is also not accessible.

4. CamScanner

Here comes your best bet if your first and foremost concern is scanning PDF files instead of editing or annotating them. This single app can transform your mobile device into a robust PDF scanner, enabling it to recognize each word on the document using OCR technology. It lets you scan and share documents in different formats, including PDF, Word, etc.

This quickly digitalizing tool can perform wireless printing and fax them remotely to more than 30 regions or countries. Syncing across different platforms is also accessible to let you easily view, edit, and share PDF files when on the go.

Some other important features include quick searching through PDFs, securing important documents, and utilizing advanced editing tools to make your PDF worth presentable.

One of the drawbacks of the CamScanner is that to access all of its features; you have to subscribe to its weekly, quarterly, monthly, or annually billed subscription plans.

5. Google PDF Viewer

Lastly, we have Google PDF Viewer! As evident by the name, it's Google's official PDF viewer. It's equipped with all the features a does Google Drive, and thus it makes an option for use only when Google Drive is not accessible on your Android. Except for searching the PDF file and zooming in and out the PDF pages, there are no other annotating, editing, etc, features.

It comes with multilingual support for over 40 languages, including English, Italian, French, German, Chinese, etc. Although it's an easy-to-use, light, and free PDF app for Android, its features are limited. However, its viewing quality sets it apart from all the other options on our list.

Part 3. Which PDF App is the Best?

Wondering which one is best out of all these? You guessed it right! It's none other than the UPDF for Android. This PDF tool is an amalgamation of all the features the other four options have and more. Let's have a detailed look at its advantages over others.

Excellent Functioning

None of the UPDF's users has reported errors or glitches when working with it. It means this app has great functionality and is reliable to work with.

User-Friendly Interface

It has an impressive user-friendly interface that enables users to navigate it easily. It has no learning curves and is an excellent PDF tool for beginners.

Secure and Super Fast

Being super fast in action, UPDF performs the required functions swiftly and is undoubtedly a worthwhile PDF editing tool. Besides this, it's secure to use, too. What else do you need?

Broad Compatibility

UPDF has broader compatibility as it supports Android 5.0 and above. Moreover, it supports iOS 14.0 and above, macOS 10.14 and above, and Windows 7 and above.

Part 4. FAQs about PDF App for Android

Let's now answer some of the Frequently Asked Questions!

1. Is There a PDF App for Android?

Yes, there are several PDF apps for Android, including UPDF, Adobe Acrobat Reader, PDF Reader – PDF Viewer, CamScanner, and Google PDF View. However, the best one of all is the UPDF!

2. Which Is the Best PDF Reader for Android?

Whether you talk about the PDF reader, annotator, editor, organizer, or converter, the best one will remain the UPDF! It's because this free PDF app for Android is equipped with endlessly helpful features.

3. Is There a Better PDF Viewer Than Adobe?

Yes, UPDF is a far better PDF viewer than Adobe. Unlike Adobe, its interface is user-friendly and easy to use, and it's affordably priced, too.

4. How do I Install a PDF App?

You can install any PDF app via Google Play Store. Just launch it, search for a specific PDF app, i.e, UPDF, and hit the Install icon.

5. Which Mobile App is Best for PDF?

As mentioned earlier, UPDF is the ultimate solution for your PDF-related concerns and is undoubtedly the best mobile app for PDFs.

Wrapping Up

In this article, we have described it all, from what APK files are to their usage and the best PDF apps for Android. We have also shed light on how UPDF is the best of all the mentioned apps. Hope you found it worth reading. Stay tuned to learn more about PDF and PDF tools!

Windows • macOS • iOS • Android 100% secure

You can use this limited time coupon to purchase designated UPDF PRO or AI products.

Get limited
time coupons !

Click to receive and use it
Extra {couponPrice}% off coupon Extra ${couponPrice} coupon

We use cookies to ensure you get the best experience on our website. Continued use of this website indicates your acceptance of our privacy policy.