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PDF Max 4 - Read, Annotate, Sign, Fill Forms & Edit PDFs

By Mobeera

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PDF Max 4 is a desktop class PDF app for reading, annotating or signing PDF documents on your iPhone/iPad. Mark up documents with highlights and handwriting, insert texts and stamps, fill out, sign PDFs and even manipulate PDF pages. With over 1.5 million downloads across platforms, PDF Max helps hundred thousands of people over the world to go paperless everyday.

PDF Max 4 Features:

- Smooth and responsive even with large PDF documents
- Smooth vertical scrolling - allow you to scroll through your entire PDF document smoothly and efficiency.
- Open documents in multiple tabs.
- Multi-purpose SideBar includes everything you need to skim through your documents like never before: Page Thumbnails, PDF Outlines/Bookmarks, Annotation List & Search Panel.
- Smart Zoom: Double-tap on text blocks and PDF Max will zoom the touched text block to fit the screen. Simple & efficient reading.
- Open external files linked via PDF Links
- Friendly & Easy to use User Interface
- Support Microsoft Office documents, iWorks documents and General Text Files (Source code, txt, html, etc)

- 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
- Save and organize your favorite tools and access them quickly when needed [In-app purchase required]
- Easy to scroll document while annotating with one finger or stylus pen with optional Horizontal and Vertical ScrollBars
- Smart caching mechanism to avoid data loss.

- 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
- Manage your signature, plus one-time signature for customer

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

- The all-new file manager with Thumbnail View, List View modes. Sort by Name, Modified Date or Size.
- Categorize files or folder by Color Tags or Favorites (Starred) [In-app purchase required]
- Seamless, desktop-like integration with Dropbox or Google Drive. Work both with or without an Internet connection.
- Rename, Copy or Move remote files/folders.
- Local Library for organizing files from different sources.
- Copy/Move files or folders between online cloud storage services.
iCloud Drive support.
- Support reading Microsoft Office, iWorks, General Text Files (Source code, txt, html, etc) files.
- Zip file support

- Bookmarks management with ability to export as PDF Outlines
- Email or Print PDF in editable or flattened format
- PDF documents/forms modified by PDF Max are compatible with Adobe Acrobat standard

Please note that PDF Max 4 is just the beginning of its generation. There will be many more to come in early 2015.
Like us on Facebook at or follow us on Twitter @MobeeraHQ to be kept posted. Feel free to email us at for technical support, for any inquiry. Let's go paperless!

What's New in Version 4.1.2

- [Premium] Reading mode: Day, Night & Sepia
- [Premium] Text To Speech
- [Premium] AutoCrop View mode
- [Premium] Merge PDFs
- Box, OneDrive support
- Email PDF with Annotations Summary
- Paste text/image to create Freetext/Stamp
- New image popup menu for easy access on iPhone
- Fixed critical issues related to PDF Forms
- Bug fixes and enhancements


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iPad Screenshot 1
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Customer Reviews

Just Great

Amazing app to edit and read PDFs and scan files, it is free, apps like PDF reader just almost the same but you have to pay for it.

Drop Box Upload No Longer Works

Bit the bullet, spent money to "upgrade" again to Pro so I can use DropBox. It crashes every time I try. Very frustrated and don't know what happened between last night and this morning to cause all these problems.

Waste of money!

Upgraded to Pro version & wasted money! Crashes every time I try to upload or send signed doc. When it does convey, it's without my signature. Very disappointed!

PDF Max 4 - Read, Annotate, Sign, Fill Forms & Edit PDFs
View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Productivity
  • Updated: Feb 06, 2015
  • Version: 4.1.2
  • Size: 36.9 MB
  • Language: English
  • Seller: Mobeera Co., Ltd

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.

Customer Ratings

Current Version:
All Versions:

Top In-App Purchases

  1. Pro Package$4.99
  2. Form Filling Package$3.99
  3. Advanced Annotating Package$3.99
  4. Cloud Access Package$1.99
  5. Standard Annotating Package$0.99
  6. Premium Package (New User)$6.99
  7. Premium Package (Update)$4.99