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PDF Max 4 - Read, Annotate & Edit PDF documents plus Fill out PDF Forms!

by Mobeera
Rated: All Ages
3.6 out of 5 stars  See all reviews (434 customer reviews)

Price: $7.99
Sold by: Amazon Digital Services, Inc.
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Special Offers and Product Promotions

  • Unlimited Cloud Storage: Never run out of space for all your photos, videos, and files with unlimited storage plans from Amazon Cloud Drive. Learn more

Latest Updates

What's new in version 4.3.0
  • - Option to use Android Immersive mode on 4.4+
  • - Android Lollipop compatible
  • - Fixed: Bookmark caching issue
  • - Fixed: Can't keep local changes if the file is being deleted at the server side
  • - Fixed: Crash on Android 2.3.
  • Enjoy the world's best PDF app for Android!

Product Details

  • ASIN: B00DSY8D36
  • Release Date: July 8, 2013
  • Rated: All Ages This app may include dynamic content. What's this?
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (434 customer reviews)
  • Amazon Best Sellers Rank: #1,704 Paid in Appstore for Android (See Top 100 Paid in Appstore for Android)
  •  Would you like to give feedback on images?

Product Features

  • Desktop class PDF reader and editor for Android
  • Read PDF documents with Mobile-Optimized Text Reflow mode & Text To Speech
  • Annotate like a Pro with unmatched annotating tools
  • Fill out, Stamp & Sign PDF Forms
  • Powerful File Manager features Automatic, Desktop-like syncing with all major cloud services

Product Description

PDF Max 4 is a desktop class PDF app for reading, annotating or signing PDF documents on your Android. Mark up document with highlights and handwriting, insert texts and stamps, fill out, sign, watermark, copy/paste PDF pages and much more. Any features you would expect in a desktop class PDF reader can be found in PDF Max 4. And, not only is PDF Max featured powerful PDF tools, it is also designed to be intuitive, gorgeous and touch-optimized for mobile devices. With over 1.5 million downloads across platforms, PDF Max helps hundred thousands of people over the world to go paperless everyday.

Since PDF Max 4, the app requires one more permission:
- Read Phone Status and Identity - required to terminate the read aloud progress when there is an incoming call [for FirePhone only].
PDF Max 4 Features:

- Fast PDF Rendering with large PDF support
- Smooth vertical scrolling
- Open documents in multiple tabs.
- Multi-purposes SideBar
- PDF Text to Speech
- Advanced PDF Text Reflow
- Smart Zoom

- Text markup: Highlight, Underline, Strike out & Squiggle
- Unlimited threaded comments (notes) attached to any annotation.
- Create VOICE ANNOTATIONS: Record and embed voice annotations within the PDF document.
- HANDWRITING with Advanced Zoom-In Writing feature
- Eraser tools to manipulate your handwriting
- Shape tools to draw Line, Arrow, Rectangle & Oval with intelligent snapping
- Rich format Freetext tool to type over PDF pages
- Stamp tool to insert Predefined, Standard Business Stamps & Custom Stamps
- Signature tool to manage and insert your signatures
- Undo/Redo function to correct your mistake

- Manage PDF Pages (Insert, Copy/Cut/Paste, Reorder & Delete PDF Pages)
- Manage PDF Outlines (Table of Contents) , PDF Embedded Links

- Support Text field, checkboxes, radio buttons, dropdown list, buttons & date-time fields
- Support JavaScripted-powered PDF forms
- Support AcroForms & Static XFA Forms
- Zoom-in writing to fill out scanned/non-interactive PDF forms
- Multiple signatures support, plus one-time signature for customer

- Create and manipulate PDF Outlines
- Create and manage PDF Bookmarks
- Create and edit PDF Embedded Links

- Auto syncing with Dropbox, Box, OneDrive & Google Drive with offline support
- Copy/Move PDF documents between cloud storages
- Built-in PDF Library management

- Bookmarks management with ability to export as PDF Outlines
- Email or Print PDF via Google Cloud Print
- Auto or manual saving
- PDF documents/formed modified by PDF Max are compatible with Adobe Acrobat standard

We can't bring more and better features without your help, so please rate us five stars to encourage faster updates!

Follow us on Facebook at for supports and updates, and feel free to email us at for any inquiry. Now, Let's go annotate!

Technical Details

  • Size: 17.1MB
  • Version: 4.3.0
  • Developed By: Mobeera
  • Application Permissions: (Help me understand what permissions mean)
    • Read from external storage
    • Read only access to device state
    • Allows installation of home screen shortcuts
    • Open network sockets
    • Write to external storage
    • Access information about Wi-Fi networks
    • Access information about networks
    • Record audio
  • Minimum Operating System: Android 2.3
  • Approximate Download Time: Less than 3 minutes

Customer Reviews

Most Helpful Customer Reviews
64 of 71 people found the following review helpful
Verified Purchase
Even more popular than Microsoft Word documents are PDFs. In all likelihood, PDFs are the most abundant forms of standalone document people encounter in their daily lives.

[PRIVACY: Zero problematic permissions! Yay!]

This means a PDF reader is exceedingly important. This one is more than a reader, it is a powerful annotator, which is one step down from a full-blown editor. As far as annotators go, this one is very powerful. It has the usual highlights, bookmarks, and comments. It also has shapes, free style, and many more annotations. It even allows different color combinations, coming close to an image editor in this fashion.

Hidden, though, are even more powerful tools, such as the ability to copy, rearrange, concatenate (combine), delete, split (extract), and so forth.

Instead of using my tablet for testing, I chose to use my phone which is a ZTE 5" Virgin Mobile Supreme / Sprint Vital.
The app handled a >100MB file with hundreds of pages and chock full of images. It handled it so well, in fact, that even my more powerful Samsung Note 10.1 using RepliGo Reader doesn't do as well!

The Dropbox integration works very well, and is very helpful.

By the way, unlike RepliGo Reader which required me to have an internet connection the first time I used it, this didn't require any internet access or account.

Two of the best features involve audio. You can attach a voice memo; I didn't test more than a few seconds, so I'm not sure how long of a message you can embed. The second, and even better, feature is the TTL voice reading which works quite well. It highlights the passages it is reading, too.
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37 of 41 people found the following review helpful
5.0 out of 5 stars Best PDF app May 19, 2014
Verified Purchase
I have used just about all the varies PDF viewing and editing apps out there. This app is by far the best one I've used. Pages load very quickly navigation is easy. It loads pages faster than any of the other programs. Making notes and amortizations is exactly how you would want it to be.

It doesn't have the ability to scroll pages horizontally and no night mode.
Also the cloud interface leaves a lot to be desired.
It doesn't play well with PDFs modified by other apps.
Auto population of PDFs is poor.

Loads pages fast.
Has a very nice preview window.
Intuitive interface.
Making annotationss is smooth and easy, and viewing your annotations is easy.

Bottom line, it is the best PDF viewer/editor out there. I say that because it loads page the fastest of all the programs I've used. Also making annotations is smooth and easy. As is editing and modifying them.
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44 of 50 people found the following review helpful
5.0 out of 5 stars Excellent and Powerful Tool May 19, 2014
Verified Purchase
This is a pretty good and useful app that loads your PDF files quickly: I downloaded a 40 MB PDF file and, once it was on my Kindle Fire it popped right open without a delay. It is easy to make notes / annotations (bookmarks, highlights, etc.) on your document which is head and shoulders above other PDF editing apps for my Fire I have tried to use in the past. You can also copy, delete, etc., within the document; that feature alone is worth it to me.

The app does have an interface with Dropbox that works well. If I can figure that one out, anyone can.

I picked this up for free as a free app of the day vs. its normal price of $7.99 – if you need a good PDF reader and editor, I would recommend this one.
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32 of 38 people found the following review helpful
I heard about PDF Max when it was initially released for the iPhone/iPad and became one of the most popular PDF reader application.

The application is quick, small in size (less than 10 MB) and has many usable features.
Although its function sounds very simple it's perfectly designed for mobile world where speed and flexibility is needed.

I would not go listing all its features, you can find it in the article little above, but based on my experience most usable features are:
- "Text to speech" where app is reading PDF documents
- "Fast scrolling" enabling fast rendering and quick going through entire document
- Dropbox support
- support for large PDF documents (didn't encounter problem with any document because of its size)
- adding notes/comments wherever is needed in document

Be advised to update it to version 1.0.3. because since that version PDF documents can be also opened from e-mail, which was a little drawback earlier because you weren't able to open documents unless they were put on phone storage.

PDF Max although it sounds simple is just another PDF reader, but what it does works slightly better than the competition.
I suggest you to give this application a chance, probably you'll be satisfied.
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31 of 37 people found the following review helpful
2.0 out of 5 stars Not for Professional Use Yet July 27, 2013
Verified Purchase
Here is a quick summary below:

-Very fast pre-rendering of pages at a low-resolution
-Large thumbnail pages on the side bar for quick preview of pages before and after the current page

-Problem displaying text boxes created by other PDF programs without re-adjusting the box size (when text border is being used)
-Problem displaying continuous fine lines when the page is zoomed out to show the larger extent of the page
-Problem locating the annotations correctly created by other PDF application such as EZ PDF.
-Lack the ability to adjust font size for typed notes.

Device used to try the program: Samsung Galaxy Note 10.1 (10 inch display with 1280x800 resolution)
Other full version PDF apps tried before: ezPDF reader, Office Suite, PDF to Go, Polaries Office, Quickoffice, Adobe PDF


I have tried many PDF apps before and the one thing I wished most of them have is the large thumbnail display of pages at the side bar like the popular desktop PDF programs such as Adobe PDF and Bluebeam. This features allows users to quickly look up information and have a better sense of where one is at within a chapter. Thus, I decided to give this app a try since I noticed it has the ability to display large thumbnail preview in the side bar.

After playing the app for a while, I was disappointed. As listed above, this app has issue displaying text boxes created by other applications. If the box is not large enough it will not show any text inside at all unlike ALL other programs that I have tried. Another disturbing shortcoming is its inability to show fine lines without breaking.
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