Comparison

Lumin 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

Lumin

Edit, share, and collaborate on PDF documents in the cloud. This app offers a suite of tools for annotating, organizing, and signing PDFs, with seamless integration for cloud storage and real-time collaboration.

Highlights
  • Seamless document management
  • Cloud integration and auto-save
  • Versatile editing and annotation tools
  • Document organization and conversion
  • Pre-designed templates
  • Real-time collaboration
  • eSignatures and form filling
  • Scanning to PDF
Features
Read full description

Lumin for iOS allows you to edit and sync to your Google documents in seconds. Collaborate with colleagues in real-time with a diverse set of editing tools. Lumin auto-saves your changes and syncs them to all your devices. Connect your Google account and stay on top of your documents. You can effortlessly view and share files with anybody via email or shareable links. TRUSTED BY MILLIONS Join over 100 million Lumin users worldwide who use our app to edit, share, and collaborate in the cloud. From note-taking and project management to client onboarding and legal document review, Lumin empowers you across industries. KEY FEATURES - Seamless document management: Import from your favorite storage (Dropbox, Google Drive, OneDrive), edit, and share PDFs effortlessly. - Cloud integration: Automatically save changes and sync across devices. - Versatile editing tools: Highlight, annotate, draw on PDFs and more. - Document organization: Organize, extract pages, merge files, convert to/from PDF,... - Pre-designed templates: Choose from various templates for various purposes and industries, such as real estate, education, job application, etc. - Collaboration: Share files and receive real-time notifications. - eSignatures: Sign and fill out forms with ease. - Scanning: Convert paper documents into portable PDFs. LUMIN IN THE REVIEWS “I use Lumin to mark up PDF drawings and send them to my subcontractors. In my role, time is of the essence. Lumin provides me with a tool to make collaboration and feedback easy.” – Construction site manager, US “We have been using Lumin for a little over two years, and it's been amazing. Using Lumin on-the-go and in-office allows us better turnaround time for our patients' care.” – Director of Services and Operations, US “It s very useful and handful for studying and I feel like they make good improvements with each upgrade. I use it for studying, it's cool that I can connect my university Google Drive to the Lumin account and I can edit, draw, write, highlight and add comments and they always get saved.” – Individual user “Too loud. You can open and edit texts from any device, everything is saved automatically, quickly. Access is very fast. The options for editing documents are diverse.” – Individual user Terms & conditions: https://www.luminpdf.com/terms-of-use/

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, PowerPoint, and ePub while preserving original layout and formatting — and convert Word, Excel, PowerPoint, ePub, 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, PowerPoint, ePub, PNG, and JPEG • 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, PowerPoint, ePub, PNG, JPEG • 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

Lumin4 screens
MobiPDF・PDF Text Editor・Reader4 screens

Verdict

The call

The clearest difference is review sentiment: MobiPDF・PDF Text Editor・Reader at 82% against Lumin's 32%. MobiPDF・PDF Text Editor・Reader also leads on ads (none vs shown) and rating (4.8 vs 4.5). Lumin's advantage is in-app purchases (none vs 17) and update cadence (every 8 days vs monthly). On price, monetization model and device support 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. MobiPDF・PDF Text Editor・Reader sells 13 in-app purchases, starting at $7.99 per 7 days. Lumin asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MobiPDF・PDF Text Editor・Reader holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: MobiPDF・PDF Text Editor・Reader has 7.3K ratings behind it against 895, so its average is the more settled of the two. Written reviews point the same way: 32% of Lumin's written reviews are positive against 82% of MobiPDF・PDF Text Editor・Reader's.

UpkeepUpdate frequency

Lumin ships an update every 8 days, MobiPDF・PDF Text Editor・Reader monthly. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

Scorecard8 real differences · 3 level
Lumin versus MobiPDF・PDF Text Editor・Reader: the parameters behind the verdict, then further details
ParameterLuminMobiPDF・PDF Text Editor・Reader
PriceFreeFree
Rating4.5 (895 ratings)4.8 (7.3K ratings) — better
Positive reviews32.5% of reviews81.8% of reviews — better
Number of ratings8957.3K — better
Update frequencyEvery 8 days — betterMonthly
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#91 — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better18.0
Further details — not scored
Size343 MB186 MB
Age rating4+4+
DeveloperNitrolabs LimitedMobiSystems, Inc.

Customer experience

Lumin

All ratings895 ratings
Positive87.3%
Neutral2.1%
Negative10.6%
Written reviews191 reviews
Positive32.5%
Neutral5.2%
Negative62.3%

MobiPDF・PDF Text Editor・Reader

All ratings7,295 ratings
Positive95.5%
Neutral2.5%
Negative2.0%
Written reviews517 reviews
Positive81.8%
Neutral3.3%
Negative14.9%

User reviews

Lumin

From 895 App Store ratings

What we love

  • 🚀 Smooth performance
  • 👍 Easy to use
  • 💡 Useful annotation tools
  • 🚀 Fast PDF rendering

Room to improve

  • 🐛 Crashes and freezes
  • 🔒 Unreliable data sync
  • 💰 Expensive subscription
  • 🐛 Buggy app experience

MobiPDF・PDF Text Editor・Reader

From 7.3K 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

Lumin

Reported bugs

4 issues
  • Lost work and unsaved changes
  • Inability to open/access files
  • Frequent login issues
  • Compatibility problems on mobile

Requested features

4 requests
  • Offline mode support
  • Split-screen functionality
  • Improved highlight/annotation tools
  • Better Google Drive integration

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

None

Lumin

No in-app purchases

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 Lumin free?
Lumin is free to download, with no in-app purchases.
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, Lumin or MobiPDF・PDF Text Editor・Reader?
MobiPDF・PDF Text Editor・Reader is rated higher. Lumin averages 4.5 out of 5 from 895 ratings, while MobiPDF・PDF Text Editor・Reader averages 4.8 from 7.3K ratings.
Do Lumin or MobiPDF・PDF Text Editor・Reader have ads?
Lumin shows ads; MobiPDF・PDF Text Editor・Reader does not.
Which is updated more often, Lumin or MobiPDF・PDF Text Editor・Reader?
Lumin ships an update every 8 days, and MobiPDF・PDF Text Editor・Reader monthly. Most recently, Lumin was updated on September 21, 2026 and MobiPDF・PDF Text Editor・Reader on September 25, 2026.

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