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PDF Expert 5 - Fill forms, annotate PDFs, sign documents

By Readdle


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50% SALE for a limited time as part of the App Store's Tools for Teachers promotion!

PDF Expert 5 is a must-have app for anyone who reads, annotates or edits PDF documents on iPad or iPhone. It allows you to mark up documents with highlights and handwriting, insert text and stamps, sign and even merge PDFs. Moreover, PDF Expert 5 is the best choice for filling out PDF forms right on your iPad and iPhone.

“PDF Expert 5 is one of my must-have iPad apps and a
desktop-class PDF reader” -

“I was blown away at how easy the app is to use” - MakeUseOf.

“The best app for managing, editing, and reading PDFs on your iPad” - The Sweet Setup.

You can open various file formats such as iWork, MS Office, PowerPoint, text files, images, even music and video files, etc. Get these files from desktop computers, email attachments, documents on Dropbox, OneDrive, GoogleDocs and “Open in" from other applications.

PDF Expert 5 provides the best experience for filling out PDF forms. Text fields, checkboxes, radio buttons and other form elements work as you expect and all the information you enter is saved within the form. Even complex interactive forms with Javascript work impressively well.

With PDF Expert 5 you can:

- Highlight Text -
Mark important things in books, journals or documents you want to review.

- Fill Forms -
Work with static PDF forms created in Adobe Acrobat.

- Create Notes -
Add comments to the texts you read.

- Draw with your finger-
Use it to make handwritten notes or highlight text in scanned books.

- Make Bookmarks -
Create table of contents for your document right on iPad and iPhone.

- Review Documents -
Mark up errors and place special emphasis on important sentences.

-Sign Documents
Use digital signatures to sign contracts and agreements on the go.

Other things PDF Expert 5 lets you do:

+ Read PDFs with ease
PDF Expert 5 has one of the best PDF viewers for iPad and iPhone. It opens large files, supports full text search, handles PDF links and outlines, opens password-protected documents and extracts text from PDFs.

+ Copy Files From Mac or PC via Wi-Fi and USB
Use iTunes file sharing to transfer files directly to your iPad or iPhone via USB cable. As an alternative connect your iOS device running PDF Expert 5 via Wi-Fi and operate it like a wireless flash drive. No additional software is required.

+ Save Email Attachments
Open attachments directly from the Mail app. Also, you can open PDF files from any other application on the iPad or iPhone via "Open In..." dialogue.

+ Sync your files with various cloud services
PDF Expert 5 allows you to download and upload files from Dropbox, OneDrive, Google Drive and other services. If you use more than one cloud storage, PDF Expert 5 will handle all of them.

+ Share Files With Your Friends
Email files directly from PDF Expert 5 with all annotations you made.

+ Protect Documents with Password and Encryption
Restrict access to PDF Expert 5 with a password to protect your files from unauthorized reading. Enable iOS Data Protection to encrypt everything while your iPad or iPhone is not in use.

+ Text To Speech
You can listen to e-books or audio files on the road or when you don’t feel like reading. PDF Expert 5 intelligently processes PDF books and uses iOS text- to-speech API to read them aloud.

And one more thing:

• Review Mode •
The Review Mode allows you to mark up PDF documents in a very special way. Just tap anywhere on the text where you need changes and correct it in the text editor. The text that you delete is marked as removed while everything you add is shown as new text in different colors. Currently available only on iPad.

NOTE: We cannot reply you in comments. If you have any comments or issues, please contact us directly at

What's New in Version 5.3.1

Minor fixes and improvements


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Customer Reviews

Caution - Unable to access Cloud Storage

Given the amount of positive reviews for this app, I decided to integrate it into my workflow. Unfortunately, after trying to use this app for the last 30-40 days, I have been unable to open anything saved to iCloud Drive within PDF Expert (which Readdle claims is Apple's fault). Neither company has addressed this issue, however, my other apps open/access iCloud files flawlessly.

Not only that, even after the latest update from March 31, 2015, PDF Expert freezes when trying to access Google Drive, Box or Dropbox and forces me to close the app and/or do a hard reset of my iPhone/iPad. It appears that the only way to transfer files from my this app is thru iTunes, or to email my files to myself (like I did 10 YEARS AGO!)

I'm incredibly frustrated that I paid for an app that cannot reliably access cloud storage systems that it advertises. I would STRONGLY caution those considering this app to wait until these issues are resolved or find another way to edit and view your cloud files. I so badly wanted to like PDF Expert, but these current issues make it entirely impossible to use. I will update my review when these issues have been resolved.

This may be my go-to app for dyslexic students

I am looking for an app that I can use for worksheets that have gone thru OCR scanning. I need an app that will read the text and allow editing.
Your newest version that includes the text to speech option is most helpful.
In order for it to be more functional, the text to speech option needs to be more responsive. I want the student to tap the area to be read. This program tends to start from the beginning and goes straight through. You can press and hold a specific area and have it start reading from that point but it frequently doesn't start at that identified point.
I hope you will look into this!!

PDF Expert

I have been using this App for a couple of years, mainly for business, and wouldn't want to be without it. I would really rate it a 4.5, if this rating tool allowed. The only reason I wouldn't give it a 5 is that when saving a document from email, you can not designate the folder where you want to save it. Thus, it takes up more time than I would like to have to go back in, and move it to the appropriate folder. No App is perfect, however, this one would be, in my opinion, if it weren't for this minor inconvenience. One more suggestion if possible, would be to immediately have an option to save a Word or Excel file, to a PDF format.

PDF Expert 5 - Fill forms, annotate PDFs, sign documents
View In iTunes
This app is designed for both iPhone and iPad
  • $4.99
  • Category: Productivity
  • Updated:
  • Version: 5.3.1
  • Size: 71.6 MB
  • Languages: English, French, German, Italian, Japanese, Portuguese, Russian, Simplified Chinese, Spanish
  • Seller:

Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5, iPhone 6, and iPhone 6 Plus.

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