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PDF Max 5 - Fill forms, edit & annotate PDFs, sign documents

By Mobeera

This app is only available on the App Store for iOS devices.


PDF Max 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 2 million downloads across platforms, PDF Max helps hundred thousands of people over the world to go paperless everyday.

PDF Max 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 5.3.0

- Added: Copy option when touching a cloud file.
- Improved saving process to avoid file being corrupted.
- Minor bug fixes and enhancements.


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Customer Reviews

Love it

This app is exactly what I have been looking for. I get lots of emails just needing a signature. I can open, sign with my saved signature and email it back within a few minutes. I would love to see a fax option added instead of just email and print! Even without the fax option, it's still one of my favorite apps.


So the app is pretty amazing. One issue for iPad Pro (big model) 9.3.1 when I try to run iPad music app it deletes all signatures from my document. Also when I have music playing and then open PDF MAX it shuts my music off. Other then this petty issue this app is amazing. Keep up the great work. Also if there was a way to use Apple Pencil anywhere on the document at anytime that would be super awesome.

Two major flaws this version 😓

1. Crashes
The app crashes often if you annotate a lot (which is what I always do when I read ebooks). And sometimes after a crash it messes up my bookmarks, book outlines and erases some annotations. I've tried both saving method (safe/slow and fast).
(Oh one time I couldn't delete some books. An error came up. I had to use extreme measures)

2. The TTS (reading out loud) feature used to work but now it only pronounces every documents with the Japanese voice. (My iPad is set in Japanese, iOS 9). I learn multiple languages and this is frustrating.

Other than that it's good. I love the 'night' feature, the integration with Google drive, pdf editing features, etc.

Please fix it on your next update, thank you!! 😚😚😚😚😚😚😚😚❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

PDF Max 5 - Fill forms, edit & annotate PDFs, sign documents
View in iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Productivity
  • Updated:
  • Version: 5.3.0
  • Size: 87.1 MB
  • Languages: English, Vietnamese
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

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. Premium Package (New User)$8.99
  5. Premium Package (Update)$3.99
  6. Cloud Access Package$1.99
  7. Standard Annotating Package$0.99