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10 Best PDF Reader Apps for iPhone in 2021

As we all know, PDF readers have always been a very complicated niche. PDF readers are something that we need while creating or filling forms, reading certain ebooks, etc. You will find tons of PDF reader apps on the internet for Windows 10 operating system. However, there are limited choices available when it comes to mobile devices.

Especially for iPhones, the number of PDF Readers available for the platform is very limited compared to Android. Therefore, we have listed some of the best PDF reader app that you can use on your iPhone. These PDF readers can help you to view and edit your PDF documents.

List of Best PDF Reader Apps for iPhone

It’s also worth noting that every PDF reader for iOS listed on the article comes with its unique feature. You need to install and use the app to know the features. So, let’s check out the best PDF reader apps for the iPhone and iPad.

1. Adobe Acrobat Reader

Adobe Acrobat ReaderWell, not just iOS devices, but Adobe Acrobat Reader is available on almost every major platform. Adobe Acrobat Reader is one of the best and most popular PDF reader apps you can use on your iPhone. The great thing about Adobe Acrobat reader is that it has support for multiple PDF formats like PDF portfolios, fillable forms, encrypted PDFs, etc.

2. Documents by Readdle

Documents by Readdle

Well, if you are looking for a full-fledged PDF reader app that also comes with some file management features, then Documents by Readdle might be the best choice for you. Documents by Readdle allows users to import PDF files from the cloud, local storage, or web URLs. However, you can only read PDFs with Documents by Readdle.

3. PDFElement


If you are looking for a PDF reader app for iPhone that comes with cross-platform support, then PDFElement might be the best choice for you. Guess what? PDFElement is a complete PDF reader that has support for cross-platform syncing. Another best thing about PDFElement is that it can edit PDF files. That means you can add text, stamps, drawings, underlines, etc.

4. Google Play Books

Google Play Books

Well, Google Play Books is one of the top-rated PDF reader apps on Android’s Google Play Store. However, the app is also available for iOS devices, and it also provides the same features. On Google Play Books, you need to upload the PDF files, and the app will automatically sync the uploaded file across devices.

5. PDF Reader – Document Expert

PDF Reader - Document Expert

As the app’s name says, PDF Reader – Document Expert is one of the best PDF reader apps that you can use today. It’s a multi-purpose PDF reader app that you can use to encrypt PDF files, edit PDF files, scan PDFs, etc. You can also create new PDF files with PDF Reader – Document Expert.

6. Apple Books


Apple Book‪s is a free application from Apple that lets you find books and audiobooks. With Apple Book‪s, you can explorer over millions of books and audiobooks from every category. If we talk about the PDF features, Apple Book‪s does allow you to open and view the PDF files. However, not every PDF documents were compatible with the application. Additionally, it doesn’t let you edit PDF files.

7. Foxit PDF Reader

Foxit PDF Reader

Foxit PDF Reader Mobile is a highly popular PDF reader application available for iOS devices. It’s a free and easy-to-use PDF reader application that allows you to view and annotate PDF files on iOS devices on the go. Apart from viewing and annotating PDF files, Foxit PDF Reader Mobile can also export, edit, and password protect a PDF file. The app’s user interface is also pretty lightweight and doesn’t slow down your device.

8. PDF Reader & Annotator by Xod‪o

Xodo PDF Pro

Although not famous, PDF Reader & Annotator by Xod‪o is still one of the best iPhone applications to deal with PDF documents. With PDF Reader & Annotator by Xod‪o, you can navigate & view PDF files, Annotate Comments on PDFs, etc. Apart from that, PDF Reader & Annotator by Xod‪o can even convert your Microsoft Word Documents, PowerPoint, and Excel files into PDF format. Overall, PDF Reader & Annotator by Xod‪o is a great PDF reader for iPhone.

9. PDF Pro 4

PDF Pro 3

PDF Pro ‪4‬ is one of the top-rated PDF reader application available on the iOS app store. The application lets you read, edit and annotate your PDF documents right from your iPhone or iPad. You can even highlight texts, take notes, embed shapes, or draw with your finger via this app. The latest version of PDF Pro ‪4‬ also includes a Night Mode that makes the reading experience more comfortable at night.

10. KyBook 2 Ebook Reader

KyBook 2 Ebook Reader

Well, KyBook 2 Ebook Reader is another exciting app on the list you can use to read PDF files and eBooks. The great thing is that KyBook 2 Ebook Reader have support for almost all e-book format including PDF, RTF, FB2, EPUB, M4A, M4B, CBZ, etc. Apart from that, the KyBook 2 Ebook Reader also allows users to save the eBooks to cloud services like DropBox, Google Drive, iCloud, etc.

So, these are the Best PDF Reader Apps for iPhone that are worth trying. It’s worth noting that few other PDF Reader apps are available on the internet, but we have only listed the best ones. I hope this article helped you! Please share it with your friends also.

This post was written by Amarnath Chakraborty and was first posted to TechViral

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