Comparison

PDF Expert vs MobiPDF・PDF Text Editor・Reader

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

Head to head
About

PDF Expert

This app allows you to edit, annotate, fill out forms, and convert PDF documents. It offers AI-powered summarization and analysis, along with tools to merge, sign, and protect your files. Work seamlessly across Apple devices with a user-friendly interface.

Highlights
  • Edit PDF text and images
  • Annotate and highlight PDFs
  • Fill out PDF forms
  • Convert files to and from PDF
  • AI-powered summarization and analysis
  • Merge and combine PDF files
  • Sign documents with e-signatures
Features
Read full description

PDF Expert is a fast and easy PDF app to read, annotate, fill and sign PDF forms, convert files to PDF, and merge, split or compress documents – all in one intuitive app for iPhone, iPad, Mac & Vision Pro. Read PDF files with comfort, highlight and mark up text, fill out forms, sign contracts, create and convert PDFs, and summarize long documents in seconds with AI-powered tools. Unlock unlimited possibilities with PDF Expert Premium and work across all your Apple devices. "PDF Expert is one of my must-have iPad apps and a desktop-class PDF reader." – MacStories "The best app for managing, editing, and reading PDFs on your iPad." – The Sweet Setup ▶ WITH PDF EXPERT, YOU CAN: READ PDFs - PDF reader with Day, Night, and Sepia modes for comfortable reading anytime - Scroll PDFs vertically or horizontally and search text in any document - Open and view PDF files from email, web, Files, or any app via the Share menu - Read PDFs out loud with Text to Speech ANNOTATE AND MARK UP PDFs - Highlight, underline, and strike through text in your PDFs - Mark up documents with pen, shapes, text, notes, and comments - Add stamps such as Approved or Confidential - Record your voice and add audio notes to PDFs FILL AND SIGN PDF FORMS - Fill out PDF forms with text fields, checkboxes, and radio buttons - Sign PDF documents in seconds – draw your signature or add it from an image - Save your signature to sign contracts, agreements, invoices, and applications faster - Fill, sign, and send forms right from your iPhone – no printing or scanning needed - Supports all major form formats, including AcroForms and static XFA forms ***PREMIUM FEATURES*** EDIT PDFs - Edit text directly in a PDF – just as you would in a Word document - Add, replace, and resize images in your PDFs - Add links to other pages or websites - Add outlines to navigate large PDFs CREATE AND CONVERT PDFs - Create PDFs from Word files, images, and other documents - Convert Word to PDF, JPG to PDF, and PNG to PDF in seconds - Convert PDF to Word, Excel, PowerPoint, JPG, PNG, and TXT MERGE, SPLIT AND ORGANIZE PDFs - Merge and combine multiple PDF files into one - Split PDFs and extract pages into a new file - Add, delete, rotate, and reorder pages with thumbnail preview COMPRESS PDFs - Compress PDFs to reduce file size for email and sharing - Shrink large PDF files to save space on your device SUMMARIZE PDFs WITH AI – PDF COPILOT - List Main Points – get key takeaways from any PDF - Summarize – get concise summaries of entire PDFs or annotations - Ask Anything – find details with AI answers and references - Explain – get instant explanations of words or phrases PROTECT YOUR FILES - Password-protect PDF Expert - Redact – permanently black out sensitive information WORK WITH SCANNED DOCUMENTS - Open scanned PDFs to fill out, sign, annotate, and share CONSTRUCTION TOOLS - Scale and measure drawings with the Measure tab - Polygon, polyline, and redline tools MORE FEATURES - Customizable toolbar - Presentation Mode - Print and share PDFs via email or cloud ONE ACCOUNT FOR ALL YOUR APPLE DEVICES One Premium subscription covers PDF Expert on iPhone, iPad, and Mac – no need to buy versions separately. Read more about our terms and conditions here: https://pdfexpert.com/privacy https://pdfexpert.com/terms Don’t hesitate to reach out to us at http://readdle.com/contact

About

MobiPDF・PDF Text Editor・Reader

Edit, create, and secure PDF documents on your mobile device. Scan paper documents to editable PDFs, recognize text with OCR, and fill or sign forms. Convert between PDF and other formats, and protect sensitive files with passwords.

Highlights
  • Scan documents to editable PDFs
  • Recognize text with OCR
  • Edit text, images, and signatures
  • Fill and sign forms
  • Convert PDFs to Word, Excel, PowerPoint, ePub
  • Protect PDFs with passwords
  • Organize and merge PDF pages
Features
Read full description

MobiPDF is a complete mobile PDF suite that helps freelancers, remote workers, and small business owners scan, edit, sign, convert, and protect PDF files — also ideal for students and anyone needing a powerful yet simple PDF tool — all from one intuitive app on iPhone and iPad. KEY CAPABILITIES • Edit PDFs like a pro — modify text, images, and formatting directly in any PDF, and fully control your pages: rearrange, insert, delete, extract, duplicate, rotate, and merge PDFs into one • Scan paper documents to PDF with your camera — receipts, contracts, invoices, IDs, passports, and more • Convert PDFs to Word, Excel, and ePub while preserving original layout and formatting — and convert Word, Excel, PowerPoint, PNG, and JPEG files to PDF for easy sharing • Fill out and sign PDF forms and contracts on the go — draw or reuse saved electronic signatures • Recognize text from scans and images using OCR technology and share instantly • Read PDFs your way — multiple reading modes including distraction-free reading, night mode, and Read Aloud to listen to any PDF hands-free while driving, commuting, or on the go • View, highlight, annotate, and mark up PDFs — add comments, stamps, drawings, and attachments • Protect sensitive documents with passwords, encryption, and digital certificates • Store and sync via 5GB free cloud storage on MobiDrive, plus Google Drive and Dropbox USE CASES • Edit the text, images, or layout of a PDF contract or report directly on your iPhone or iPad — no desktop needed • Convert a PDF to Word to make extensive edits, then save back to PDF for sharing • Scan a paper document, recognize its text with OCR, and convert it into a fully editable PDF • Scan a paper contract, sign it on your iPhone or iPad, and send it back — without printing • Fill out a client form or invoice PDF on the go, directly from your phone • Have a PDF report, contract, or document read aloud during your commute or drive • Merge multiple PDFs into one organized proposal, report, or portfolio • Protect a sensitive business document with a password before sharing with a client • Students: scan handwritten notes or assignments and submit them as PDFs instantly • Review, annotate, and mark up PDF documents on iPad's larger screen for a near-desktop experience WHY MOBIPDF • Advanced mobile PDF editor — edit text, images, formatting, and pages directly in any PDF • Complete PDF converter — reliably convert PDFs to and from Word, Excel, PNG, and JPEG, plus PowerPoint to PDF and PDF to ePub • All-in-one solution — edit, scan, sign, convert, protect, read, and organize without switching apps • Purpose-built for iPhone and iPad — intuitive mobile-first experience • Read Aloud turns any PDF into audio — stay informed while commuting or multitasking • Advanced OCR turns any scan or image into searchable, shareable text • Electronic signatures and fillable forms — no printing or faxing needed • Simple and intuitive — accessible for all ages and experience levels • Trusted by millions of MobiSystems users worldwide PREMIUM • Full PDF editing — modify text, images, and formatting in any PDF • Full PDF conversion suite — PDF to and from Word, Excel, PNG, JPEG, plus PowerPoint to PDF and PDF to ePub • 50GB cloud storage on MobiDrive • Advanced annotation, markup tools, and night mode • Password protection and digital certificate support TL;DR MobiPDF is the go-to mobile PDF suite for freelancers, remote workers, and small business owners — offering powerful PDF editing, reliable conversion to and from all major formats, scanning, signing, and Read Aloud, all in one intuitive app optimized for iPhone and iPad. Help Centre: https://support.mobisystems.com/hc/en-us/sections/20794399449757-iOS Privacy Policy: https://mobisystems.com/en-us/privacy-policy Terms of Use: https://mobisystems.com/en-us/terms-of-use

Screenshots

PDF Expert4 screens
MobiPDF・PDF Text Editor・Reader4 screens

Verdict

The call

PDF Expert and MobiPDF・PDF Text Editor・Reader both sit at 4.7 stars, but that hides the real split: 83% of MobiPDF・PDF Text Editor・Reader's written reviews are positive against 45% of PDF Expert's. PDF Expert's advantage is ratings volume (216K vs 7.4K) and iOS requirement (16.0 vs 18.0). On price, rating, update cadence and ads 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. PDF Expert sells 10 in-app purchases, starting at $9.99 per month and MobiPDF・PDF Text Editor・Reader sells 13 in-app purchases, starting at $7.99 per 7 days. 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 — 4.7 for PDF Expert against 4.8 for MobiPDF・PDF Text Editor・Reader. That said, the two scores are not equally well evidenced: PDF Expert has 216K ratings behind it against 7.4K, so its average is the more settled of the two. Written reviews are what separate them: 45% of PDF Expert's written reviews are positive against 83% of MobiPDF・PDF Text Editor・Reader's.

UpkeepUpdate frequency

PDF Expert ships an update fortnightly, MobiPDF・PDF Text Editor・Reader monthly. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 8 level
PDF Expert versus MobiPDF・PDF Text Editor・Reader: the parameters behind the verdict, then further details
ParameterPDF ExpertMobiPDF・PDF Text Editor・Reader
PriceFreeFree
Rating4.7 (216K ratings)4.8 (7.4K ratings) — better
Positive reviews45.5% of reviews82.6% of reviews — better
Number of ratings216K — better7.4K
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#72 — better#92
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size295 MB216 MB
Age rating4++4
DeveloperReaddle Technologies LimitedMobiSystems, Inc.

Customer experience

PDF Expert

All ratings216,128 ratings
Positive92.4%
Neutral2.3%
Negative5.3%
Written reviews1,166 reviews
Positive45.5%
Neutral7.5%
Negative47.0%

MobiPDF・PDF Text Editor・Reader

All ratings7,430 ratings
Positive95.5%
Neutral2.5%
Negative2.0%
Written reviews570 reviews
Positive82.6%
Neutral3.2%
Negative14.2%

User reviews

PDF Expert

From 216K App Store ratings

What we love

  • 🚀 Fast and responsive
  • 👍 Intuitive and user-friendly interface
  • 💡 Powerful annotation and editing tools
  • 🔒 Seamless cloud integration
  • 📚 Excellent for reading and organizing PDFs

Room to improve

  • 🐛 Frequent crashes and stability issues
  • 🔒 Subscription model for advanced features
  • 🔒 Inconsistent pricing and feature changes
  • 🔍 Cluttered and confusing UI in latest update
  • 🔍 Reduced customization options for annotations

MobiPDF・PDF Text Editor・Reader

From 7.4K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient and productive
  • 💡 Good scanner feature
  • 🚀 Helpful for work and school

Room to improve

  • 💰 Expensive subscription model
  • 🐛 Buggy and crashes
  • 🔒 Sneaky pricing tactics
  • 🔒 Subscription scam

Bugs and requests

PDF Expert

Reported bugs

4 issues
  • Corrupted PDFs after editing
  • Sync issues with cloud storage providers
  • Unexpected loss of annotations and edits
  • Unreliable performance on older iPad models

Requested features

5 requests
  • Improved palm rejection for Apple Pencil
  • Customizable toolbar and annotation presets
  • Better integration with other productivity apps
  • More flexible file management and organization
  • Ability to create fillable PDF forms

MobiPDF・PDF Text Editor・Reader

Reported bugs

4 issues
  • Text editing issues
  • Image fields in forms don't work
  • Incompatible with dynamic PDFs
  • Activation issues

Requested features

4 requests
  • Add snap tool for cleaner documents
  • Improve font sync
  • Offer one-time purchase option
  • Develop a Mac OS version

In-app purchases

10 purchases

PDF Expert

Subscriptions9
  • PDF Expert Premium Trial7 Days trial$9.991 Month
  • PDF Expert Premium No Trial$9.991 Month
  • PDF Expert for Education7 Days trial$39.991 Year
Show 6 more
  • PDF Expert Premium7 Days trial3 variants$49.991 Year
  • PDF Expert Premium New7 Days trial$49.991 Year
  • PDF Expert Premium Existing7 Days trial$49.991 Year
  • PDF Expert – Premium Editing1 Year trial$49.991 Year
  • PDF Expert Mac & iOS Pro7 Days trial$79.991 Year
  • PDF Expert Mac & iOS7 Days trial$79.991 Year
One-time1
  • PDF Expert Basic$9.99
13 purchases

MobiPDF・PDF Text Editor・Reader

Subscriptions13
  • PDF Extra Premium$7.997 Days
  • PDF Extra Premium Weekly$7.997 Days
  • PDF Extra Premium 2023 Weekly7 Days trial$7.997 Days
Show 10 more
  • PDF Extra Premium Weekly7 Days trial$7.997 Days
  • PDF Extra Premium2 variants$9.991 Month
  • PDF Extra Premium 2023 Weekly7 Days trial$9.997 Days
  • Weekly Unlimited Access7 Days trial3 variants$9.997 Days
  • PDF Extra Premium 2023 Monthly$12.991 Month
  • PDF Extra Premium Yearly7 Days trial$24.991 Year
  • PDF Extra Premium3 Days trial$29.991 Year
  • PDF Extra Premium Yearly3 Days trial2 variants$49.991 Year
  • PDF Extra Premium3 Days trial$49.991 Year
  • Yearly Unlimited Access3 Days trial$49.991 Year

Questions

Is PDF Expert free?
PDF Expert is free to download, with in-app purchases available.
Is MobiPDF・PDF Text Editor・Reader free?
MobiPDF・PDF Text Editor・Reader is free to download, with in-app purchases available.
Which has better reviews, PDF Expert or MobiPDF・PDF Text Editor・Reader?
MobiPDF・PDF Text Editor・Reader is rated higher. PDF Expert averages 4.7 out of 5 from 216K ratings, while MobiPDF・PDF Text Editor・Reader averages 4.8 from 7.4K ratings.
Do PDF Expert or MobiPDF・PDF Text Editor・Reader have ads?
Neither PDF Expert nor MobiPDF・PDF Text Editor・Reader shows ads.
Which is updated more often, PDF Expert or MobiPDF・PDF Text Editor・Reader?
PDF Expert ships an update fortnightly, and MobiPDF・PDF Text Editor・Reader monthly. Most recently, PDF Expert was updated on October 15, 2026 and MobiPDF・PDF Text Editor・Reader on October 14, 2026.
Which is more popular, PDF Expert or MobiPDF・PDF Text Editor・Reader?
PDF Expert currently peaks at #72 in the App Store charts, and MobiPDF・PDF Text Editor・Reader at #92. Chart position reflects recent download velocity rather than total install base.

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