Comparison

Lumin vs Holotatt

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

Holotatt

Features
Read full description

Discover the magic of augmented reality with Holotatt, the app that brings your world to life! Simply scan any sticker or graphic with your smartphone, and watch as vibrant 3D animations emerge right before your eyes. Whether it’s a colorful butterfly fluttering off a page or a rocket launching into space from a poster, Holotatt offers an immersive AR experience that entertains and amazes users of all ages. Features: - *Easy-to-Use*: Just point your camera at any sticker or graphic and see it transform instantly. - *Diverse Content*: Enjoy a wide range of animated 3D content—from playful animals to dynamic vehicles and more. - *Interactive Fun*: Engage with your surroundings in a whole new way and create unforgettable moments. - *Educational Value*: Learn about what you see with informative pop-ups and engaging animations. - *Shareability*: Capture and share your AR moments with friends and family on social media or through direct messages. Perfect for AR enthusiasts, educators, parents, and kids, Holotatt promises to turn every scan into a story. Explore, learn, and connect with the augmented world around you. Download Holotatt now and start your AR adventure! What’s New: - *Regular Updates*: We continuously add new stickers and animations to keep the experience fresh and exciting. - *Improved Performance*: Enhanced recognition technology for faster and more accurate scans. - *User-Friendly Interface*: Sleek, intuitive design makes navigation a breeze. Join the AR revolution with Holotatt—where your imagination meets reality!

Screenshots

Lumin4 screens
Holotatt3 screens

Verdict

The call

The clearest difference is ads: Holotatt at none against Lumin's shown. Lumin's advantage is update cadence (every 8 days vs every 9 months). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lumin ships an update every 8 days, Holotatt every 9 months. The most recent releases landed on October 25, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
Lumin versus Holotatt: the parameters behind the verdict, then further details
ParameterLuminHolotatt
PriceFreeFree
Rating4.5 (927 ratings) — better—
Positive reviews32.1% of reviews—
Number of ratings927 — better—
Update frequencyEvery 8 days — betterEvery 9 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size287 MB176 MB
Age rating4+17+
DeveloperNitrolabs LimitedNICOLA FOWLER

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

Holotatt

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lumin

No in-app purchases

None

Holotatt

No in-app purchases

Questions

Is Lumin free?
Lumin is free to download, with no in-app purchases.
Is Holotatt free?
Holotatt is free to download, with no in-app purchases.
Do Lumin or Holotatt have ads?
Lumin shows ads; Holotatt does not.
Which is updated more often, Lumin or Holotatt?
Lumin ships an update every 8 days, and Holotatt every 9 months. Most recently, Lumin was updated on October 25, 2026 and Holotatt on September 24, 2026.

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