Comparison

Lumin vs DocHub

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

DocHub

Easily fill, edit, sign, and share PDF documents directly from your mobile device. Create fillable forms, request eSignatures, and track document changes in real-time. Securely access and manage your documents from anywhere.

Highlights
  • Fill and edit PDFs
  • Add eSignatures
  • Create fillable forms
  • Upload and snap document photos
  • Real-time document tracking
  • Secure document collaboration
Features
Read full description

Get your PDFs done anytime, anywhere. DocHub’s free mobile app makes it easy to add, edit, sign, fill out, and share PDFs, no matter your location. Send documents for eSignature and track document changes in real-time straight from your mobile device. Add documents in a snap Stay productive wherever you go. With the DocHub app, you can access your documents from your mobile device. Open existing PDFs, upload new files or their photos, or snap a picture of your document in seconds. Sign and request signatures with a few taps Forget the hassle of printing, scanning, and waiting for sign-offs. With the DocHub mobile app, gathering eSignatures is a breeze. Just pick your document, assign recipients and their signing sequence, and tap Send. Your recipients will receive a link to the document via email, allowing them to sign it from any device. You'll get a push notification in your DocHub dashboard and an email alert with a link to your finalized document. Edit documents from anywhere Get more documents done by editing PDFs from your smartphone. Add text, images, and comments. Highlight, white out, or strike through details as needed. Adjust your document to your liking by adding or rotating pages. Once you're done with the changes, share your document or save it to your mobile device in a few taps. Create PDF forms and reusable templates With the DocHub mobile app, you can create fillable forms from anywhere and get them completed by others. Easily add fields for signatures, text, dates, and initials, adjust their position, or delete them if needed. You can make your form public or create a secure share link to let others fill and sign your PDF form. If a document is frequently used, save time by making it a reusable template. Once completed, you can view every copy via the master template right from your mobile device. Collaborate and share Ensure your team's productivity remains uninterrupted, regardless of their location. Grant user permissions to enable others to view or modify your document from any device. Keep track of documents from anywhere Whether you're commuting, traveling, or simply taking a break, DocHub's push and email notifications help you stay in the know on the status of your documents and forms. You can also view a detailed activity log for each of your documents straight from your mobile device. Stay secure no matter your location DocHub keeps your documents safe with end-to-end encryption and biometric authentication so you can work from anywhere with confidence. Privacy Notice: https://dochub.com/site/privacy Terms of Service: https://dochub.com/site/terms

Screenshots

Lumin4 screens
DocHub4 screens

Verdict

The call

The clearest difference is in-app purchases: Lumin at none against DocHub's 2. DocHub's advantage is rating (4.8 vs 4.5) and review sentiment (50% vs 32%). On price, ratings volume, 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. DocHub sells 2 in-app purchases, starting at $16.00 per month. Lumin asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DocHub holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 895 and 396 respectively. Written reviews point the same way: 32% of Lumin's written reviews are positive against 50% of DocHub's.

UpkeepUpdate frequency

Lumin ships an update every 8 days, DocHub every 2 weeks. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

Scorecard3 real differences · 7 level
Lumin versus DocHub: the parameters behind the verdict, then further details
ParameterLuminDocHub
PriceFreeFree
Rating4.5 (895 ratings)4.8 (396 ratings) — better
Positive reviews32.5% of reviews50.0% of reviews — better
Number of ratings895 — better396
Update frequencyEvery 8 days — betterEvery 2 weeks
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size343 MB84 MB
Age rating4+4+
DeveloperNitrolabs LimitedDocHub

Customer experience

Lumin

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

DocHub

All ratings396 ratings
Positive96.0%
Neutral0.8%
Negative3.3%
Written reviews22 reviews
Positive50.0%
Neutral4.5%
Negative45.5%

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

DocHub

From 396 App Store ratings

What we love

  • 👍 Easy to use on phone/laptop
  • 💰 Free to use
  • 🚀 Makes life easier
  • 👍 Great for signing/filling PDFs
  • 👍 Simple and easy to use

Room to improve

  • 🐛 App crashes repeatedly
  • 🐛 Signatures don't work on mobile
  • 🐛 Can only request 1 signature at a time
  • 🐛 Clients unable to sign
  • 💸 Deceptive billing/dark patterns

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

DocHub

Reported bugs

11 issues
  • App crashes repeatedly
  • Signatures don't work on mobile
  • Clients unable to sign documents
  • Formatting issues with text size and rotation
  • Text shrinks to minuscule size upon download
Show 6 more
  • Text rotates vertically upon download
  • The 'DONE' option at the top right doesn't stay open
  • Unable to sign in to the mobile app
  • Signature upload speed is extremely slow
  • App no longer opens, displays 'something went wrong'
  • App is bad for iPad

Requested features

2 requests
  • Scan as PDF instead of photo
  • Integration to Trello

In-app purchases

None

Lumin

No in-app purchases

2 purchases

DocHub

Subscriptions2
  • Pro Monthly1 Month trial$16.001 Month
  • Pro Annually1 Month trial$143.991 Year

Questions

Is Lumin free?
Lumin is free to download, with no in-app purchases.
Is DocHub free?
DocHub is free to download, with in-app purchases available.
Which has better reviews, Lumin or DocHub?
DocHub is rated higher. Lumin averages 4.5 out of 5 from 895 ratings, while DocHub averages 4.8 from 396 ratings.
Do Lumin or DocHub have ads?
Both Lumin and DocHub show ads.
Which is updated more often, Lumin or DocHub?
Lumin ships an update every 8 days, and DocHub every 2 weeks. Most recently, Lumin was updated on September 27, 2026 and DocHub on September 26, 2026.

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