Comparison

Acrobat Reader vs MobiOffice・Word Docs・Excel・PDF

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Acrobat Reader

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

Highlights
  • View, edit, and annotate PDFs
  • Sign and fill PDF forms
  • Convert files to and from PDF
  • AI-powered document summarization
  • Collaborate in PDF Spaces
  • Compress and secure PDFs
  • Optical Character Recognition (OCR)
Features
Read full description

Major new updates: Collaborate and share your files in PDF Spaces, and turn your document summaries into podcast-style audio in Acrobat Studio. The world’s most trusted PDF reader, PDF editor, and PDF maker with more than 635 million installs. View, share, annotate, add comments, and sign documents - all in one app. You can store your files online and read documents anywhere. Get your 7-day free trial and try all the features of Acrobat Reader. Paid features: Adobe Acrobat AI Assistant • Work across multiple files in one place with PDF Spaces. Collaborate, store, and use AI Assistant across files • Use voice or text prompts with AI Assistant chatbot • Ask questions and get cited answers about details in your document, including charts, graphs, and tables with Figures Q&A • Easily share the responses you get • Try voice support to ask queries and have answers read aloud. • Use new Hands-free to keep the conversation flowing with voice only • Instantly generate summaries from your PDFs with Generative AI Summaries • Get content for emails, text, study notes, blogs, and more [Adobe Acrobat AI Assistant is a paid feature*, free for a limited time] Edit PDFs • With our PDF editor, edit text and images directly in your PDF (mobile only) • Fix typos or add paragraphs with the PDF editor • Easily add, delete, or rotate any image • Use this PDF signer and PDF viewer to get your docs just right Recognize text • Optical Character Recognition (OCR) turns scanned PDFs into searchable, editable text to use in other formats Merge & organize PDFs with PDF Converter • Split or combine multiple files into one PDF with PDF converter • Use the PDF editor to insert, delete, rotate, crop & reorder pages in your PDF file Create, convert & export PDFs • Easily convert to PDF from any file type including Microsoft, Google Docs, and images • Export and convert PDFs to Microsoft Word, Excel, PowerPoint, or various image files • Convert web pages to PDFs Compress & highly secure PDFs • Compress PDF files for easy saving and sharing • Password Protect PDF documents Have your PDF read aloud • Listen to your PDFs on the go, great for reading support • Choose free voices or upgrade for high-quality options Subscribe now to access all these features and use Acrobat across mobile and web platforms. Free-to-use features: PDF signer: Fill & Sign Adobe Fill & Sign is free & available in Acrobat Reader. A form filler and PDF signer that lets you fill, sign, and send Liquid mode in the optimal PDF viewer • Get the best PDF reading experience with this PDF viewer • Search, navigate & adjust font size or spacing to fit your screen Annotate PDFs • Add sticky notes, comments, and highlight text Store & manage files • Link online storage accounts like Microsoft OneDrive, Dropbox, or Google Drive • Star files to quickly open important documents Connect the PDF viewer and reader to Google Drive • A PDF creator that lets you edit, compress, and export Google Drive files with a subscription Work with scanned documents • Access scanned PDFs from Adobe Scan in Acrobat to fill, sign, and share The Acrobat Reader mobile app is designed to work with customers who have Enterprise Mobility Management (EMM) enabled. *An Adobe Acrobat AI Assistant add-on plan is available to Acrobat Individual customers. iOS 16 or above required. Terms & Conditions: Your use of this application is governed by the Adobe General Terms of Use http://www.adobe.com/go/terms_linkfree_en and the Adobe Privacy Policy http://www.adobe.com/go/privacy_policy_linkfree_en Do not sell or share my personal information www.adobe.com/go/ca-rights-linkfree

About

MobiOffice・Word Docs・Excel・PDF

This app allows users to create, edit, and manage documents, spreadsheets, and presentations across various file formats. It offers cloud storage integration, document scanning, and PDF viewing and annotation capabilities. Premium features include advanced editing tools, PDF conversion, and enhanced security options.

Highlights
  • Create and edit documents, spreadsheets, and presentations
  • Compatible with Microsoft Office and Google Workspace
  • View and annotate PDF files
  • Integrates with Google Drive, OneDrive, Box, and Dropbox
  • Scan paper documents to digital files
  • 5GB free cloud storage
Features
Read full description

MobiOffice is a complete mobile office suite that helps freelancers, remote workers, and small business owners create, edit, and manage documents, spreadsheets, presentations, and PDFs — also ideal for students and anyone looking for a simple, affordable Microsoft Office alternative — fully compatible with Microsoft Office, Google Docs, and 10+ other formats, all from one app on iPhone and iPad. KEY CAPABILITIES • Create and edit Word-compatible documents (.doc, .docx) with 70+ fonts, rich formatting, tables, and full page layout controls • Build and analyze spreadsheets (.xls, .xlsx) with 250+ functions, advanced charts, filters, and data validation • Design and deliver presentations (.ppt, .pptx) with transitions, animations, themes, and presenter mode — optimized for iPad • View, annotate, sign, fill, and convert PDF files — including handwritten signatures and fillable forms (Premium) • Listen to Word documents and PDF files read aloud — hands-free, perfect for driving, commuting, or on the go • Work fully offline — access and edit all your files without an internet connection • Store and sync via 5GB free cloud on MobiDrive, plus Google Drive, OneDrive, Dropbox, and Box • Scan paper documents to digital files directly from your camera USE CASES • Open and edit a Word or Excel file received as an email attachment — on iPhone or iPad, no desktop needed • Review, mark up, and sign PDF contracts on the go • Run a full home office from your iPad — documents, spreadsheets, and presentations in one app • Have a contract or report read aloud while driving or commuting • Work on client documents, proposals, or invoices offline while traveling • Deliver a polished presentation from your iPad in a client meeting or remote call • Students: write and submit assignments in Word or PDF without needing a laptop • A simple, affordable Microsoft Office alternative for everyday users WHY MOBIOFFICE • Purpose-built for iPhone and iPad — intuitive mobile-first experience • Full Microsoft Office compatibility — zero formatting loss when sharing files • Built-in PDF module — view, sign, annotate, and convert PDFs without a separate app • Read Aloud for Word and PDF — turn your commute into productive work time • Works completely offline — unlike Google Docs, reliable anywhere • Simple and intuitive — accessible for all ages and experience levels • Trusted by 5,000,000+ users over 5 years PREMIUM — Available as weekly and yearly subscriptions • 50GB cloud storage on MobiDrive • PDF converter (PDF to Word, Excel, ePub) • Password-protected documents • Track changes, conditional formatting, slide animations & more • A fraction of the cost of Microsoft 365!!!. TL;DR MobiOffice is the go-to mobile office suite for freelancers, remote workers, and small business owners — and a simple, affordable choice for students and everyday users — with full Microsoft Office compatibility, a powerful PDF module, hands-free Read Aloud, and reliable offline access, optimized for iPhone and iPad. Privacy Policy: https://mobisystems.com/privacy-policy Terms of Use: https://www.mobisystems.com/terms-of-use

Screenshots

Acrobat Reader4 screens
MobiOffice・Word Docs・Excel・PDF4 screens

Verdict

The call

Acrobat Reader and MobiOffice・Word Docs・Excel・PDF both sit at 4.6 stars, but that hides the real split: 70% of MobiOffice・Word Docs・Excel・PDF's written reviews are positive against 49% of Acrobat Reader's. Acrobat Reader's advantage is update cadence (every 9 days vs monthly) and ratings volume (654K vs 45K). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Acrobat Reader sells 16 in-app purchases, starting at $3.99 per month and MobiOffice・Word Docs・Excel・PDF sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Acrobat Reader against 4.7 for MobiOffice・Word Docs・Excel・PDF. That said, the two scores are not equally well evidenced: Acrobat Reader has 654K ratings behind it against 45K, so its average is the more settled of the two. Written reviews are what separate them: 49% of Acrobat Reader's written reviews are positive against 70% of MobiOffice・Word Docs・Excel・PDF's.

UpkeepUpdate frequency

Acrobat Reader ships an update every 9 days, MobiOffice・Word Docs・Excel・PDF monthly. Both last shipped on September 24, 2026.

Scorecard4 real differences · 7 level
Acrobat Reader versus MobiOffice・Word Docs・Excel・PDF: the parameters behind the verdict, then further details
ParameterAcrobat ReaderMobiOffice・Word Docs・Excel・PDF
PriceFreeFree
Rating4.6 (654K ratings)4.7 (45K ratings) — better
Positive reviews49.2% of reviews69.5% of reviews — better
Number of ratings654K — better45K
Update frequencyEvery 9 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
Best chart rank#2 — better#44
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS18.318.0 — better
Further details — not scored
Size522 MB244 MB
Age rating4+4+
DeveloperAdobe Inc.MobiSystems, Inc.

Customer experience

Acrobat Reader

All ratings654,141 ratings
Positive91.4%
Neutral2.4%
Negative6.2%
Written reviews3,096 reviews
Positive49.2%
Neutral4.4%
Negative46.4%

MobiOffice・Word Docs・Excel・PDF

All ratings44,564 ratings
Positive94.1%
Neutral3.8%
Negative2.0%
Written reviews2,154 reviews
Positive69.5%
Neutral6.2%
Negative24.3%

User reviews

Acrobat Reader

From 654K App Store ratings

What we love

  • 🚀 Fast and efficient
  • 🔒 Secure document storage
  • 👍 Convenient for reading and annotating PDFs
  • 👍 Useful for students and professionals

Room to improve

  • 🐛 Buggy and unreliable
  • 🔒 Overly intrusive login requirements
  • 💰 Expensive subscription model
  • 👎 Counterintuitive user interface changes
  • 🔍 Poor search and organization features

MobiOffice・Word Docs・Excel・PDF

From 45K App Store ratings

What we love

  • 🚀 Provides a real service
  • 🚀 Unrivaled duo with desktop version
  • 👍 Excellent for creating presentations and papers
  • 👍 Handy app to use
  • 👍 Best mobile office app

Room to improve

  • 🐛 Bookmarks don't work
  • 🐛 Cannot delete files
  • 🐛 Freezes and crashes
  • 🐛 Printing issues
  • 🐛 Formatting issues when converting files

Bugs and requests

Acrobat Reader

Reported bugs

4 issues
  • Frequent crashes and freezes
  • Inconsistent behavior when editing PDFs
  • Inability to open or save certain file types
  • Sync issues between mobile and desktop versions

Requested features

5 requests
  • Add erase tool for annotations
  • Improve palm rejection for Apple Pencil
  • Allow direct text editing in PDFs
  • Provide better cloud integration and sync
  • Offer more customization options

MobiOffice・Word Docs・Excel・PDF

Reported bugs

4 issues
  • Crashes after iOS 13 update
  • Losing documents after migration to new app
  • Inability to restore previous paid version
  • Unreadable files after conversion

Requested features

6 requests
  • Add math symbols in word processor
  • Allow font customization
  • Add Apple Pencil support for editing
  • Improve file management and cloud integration
  • Add dark mode
Show 1 more
  • Improve keyboard shortcuts and productivity features

In-app purchases

16 purchases

Acrobat Reader

Subscriptions16
  • Acrobat Premium - Monthly$3.991 Month
  • Adobe Acrobat Premium$4.991 Month
  • AI Assistant for Acrobat$6.991 Month
Show 13 more
  • Acrobat Premium$7.497 Days
  • Acrobat Premium - Monthly$9.991 Month
  • Acrobat Premium - Weekly$9.997 Days
  • PDF Pack - Doc Creator$9.991 Month
  • Premium - Edit & Create PDF$9.991 Month
  • PDF Edit and Convert Monthly7 Days trial$12.991 Month
  • Acrobat Premium - Monthly$12.991 Month
  • Acrobat Premium - Monthly$14.991 Month
  • Acrobat Reader Plus - Yearly$19.991 Year
  • Adobe ExportPDF$23.991 Year
  • Adobe Acrobat Pro$24.991 Month
  • Acrobat Premium - Yearly7 Days trial$48.991 Year
  • Acrobat Premium - Yearly7 Days trial2 variants$69.991 Year
8 purchases

MobiOffice・Word Docs・Excel・PDF

Subscriptions8
  • OfficeSuite Premium Monthly$4.991 Month
  • OfficeSuite Premium Weekly7 Days trial$7.997 Days
  • MobiOffice Premium Weekly7 Days trial2 variants$7.997 Days
Show 5 more
  • MobiOffice Premium Weekly7 Days trial$9.997 Days
  • OfficeSuite Personal7 Days trial$29.991 Year
  • OfficeSuite Premium7 Days trial$29.991 Year
  • OfficeSuite Premium Yearly7 Days trial$29.991 Year
  • OfficeSuite Premium Yearly3 Days trial3 variants$39.991 Year

Questions

Is Acrobat Reader free?
Acrobat Reader is free to download, with in-app purchases available.
Is MobiOffice・Word Docs・Excel・PDF free?
MobiOffice・Word Docs・Excel・PDF is free to download, with in-app purchases available.
Which has better reviews, Acrobat Reader or MobiOffice・Word Docs・Excel・PDF?
MobiOffice・Word Docs・Excel・PDF is rated higher. Acrobat Reader averages 4.6 out of 5 from 654K ratings, while MobiOffice・Word Docs・Excel・PDF averages 4.7 from 45K ratings.
Do Acrobat Reader or MobiOffice・Word Docs・Excel・PDF have ads?
Neither Acrobat Reader nor MobiOffice・Word Docs・Excel・PDF shows ads.
Which is updated more often, Acrobat Reader or MobiOffice・Word Docs・Excel・PDF?
Acrobat Reader ships an update every 9 days, and MobiOffice・Word Docs・Excel・PDF monthly. Most recently, Acrobat Reader was updated on September 24, 2026 and MobiOffice・Word Docs・Excel・PDF on September 24, 2026.
Which is more popular, Acrobat Reader or MobiOffice・Word Docs・Excel・PDF?
Acrobat Reader currently peaks at #2 in the App Store charts, and MobiOffice・Word Docs・Excel・PDF at #44. Chart position reflects recent download velocity rather than total install base.

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