Comparison

Collabora Office vs Notesnook

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

Head to head
About

Collabora Office

Create and edit documents, spreadsheets, and presentations on your mobile device. This app offers compatibility with a wide range of file formats, including Open Document and Microsoft Office. It's an open-source solution for on-the-go productivity.

Highlights
  • Text editor
  • Spreadsheet program
  • Presentation program
  • Open Document Format support
  • Microsoft Office file compatibility
  • Open Source
Features
Read full description

Collabora Office is a text editor, spreadsheet and presentation program based on LibreOffice, the world's most popular Open Source office suite — and now it's on iOS, enhancing your possibilities to work on mobile devices. This app is in active development, feedback and bug reports are very welcome. Supported files: • Open Document Format (.odt, .odp, .ods, .ots, .ott, .otp) • Microsoft Office 2007/2010/2013/2016/2019 (.docx, .pptx, .xlsx, .dotx, .xltx, .ppsx) • Microsoft Office 97/2000/XP/2003 (.doc, .ppt, .xls, .dot, .xlt, .pps) Report issues: Use the bugtracker and attach any files that caused problems via https://col.la/iosBug . Please note that anything you enter in the bugtracker will be public. About the app: Collabora Office for iOS is based on the LibreOffice code for macOS and other platforms. This, combined with a new front-end based on Collabora Online. Credits: iOS port is mainly based on the work of Collabora engineer Tor Lillqvist, with help of Patrick Luby. Please find a detailed list of contributors in the credits: https://col.la/iosCredits License: Open Source — Mozilla Public License v2 and other

About

Notesnook

This open-source app offers secure, encrypted note-taking and organization across all your devices. It features a robust editor, to-do lists, and a private journal with advanced security to protect your personal information.

Highlights
  • Military-grade encryption
  • Cross-platform synchronization
  • To-do lists and task management
  • Private journal with media support
  • Rich text and Markdown editor
  • Notebook organization
  • App lock with fingerprint support
Features
Read full description

Your notes are yours. Notesnook encrypts every one of them on your device before it ever reaches the cloud — so no one can read them. Not advertisers, not us. UNLIMITED NOTES. EVERY DEVICE. FREE. Most note apps cap the free plan until it hurts. Others stop after a few dozen notes. Notesnook never limits how much you write or how many devices you sync. A REAL EDITOR Headings, tables, code blocks, maths, outlines, Markdown and full-quality images. Notes that hold up whether you are writing a shopping list or a thesis chapter. ORGANISED AT ANY SIZE Nested notebooks, tags, colours, pinned and favourite notes, and search that stays instant at 10,000 notes. Link notes to each other and build your own private wiki. PRIVACY YOU CAN CHECK YOURSELF • End-to-end encryption is always on — you cannot switch it off, so you cannot forget • Encrypted on your device, in transit and at rest, using XChaCha20-Poly1305 and Argon2 • Even your notebook and tag names are encrypted • 100% open source under AGPLv3 — read every line, or run your own sync server • Recommended by Privacy Guides IMPORT YOUR OLD NOTES Bring your notes, notebooks and tags with you. Import from your previous notes app, plus plain Markdown and HTML files. EVERYWHERE YOU WRITE iPhone, iPad, Mac and the web. Sync is instant, and encrypted the whole way. ALSO INSIDE • Web clipper — save any article, ad-free and offline • Reminders across all your devices • Note version history, so nothing is ever really lost • Publish a note to a shareable link • Dark mode and custom themes FREE FOREVER Unlimited notes, unlimited devices, 50 notebooks, 50 tags and full end-to-end encryption. No ads. No trial countdown. PAID PLANS Add task lists, callouts, recurring reminders, more storage, and — on Pro — app lock, an encrypted vault and full-quality images. From $19.99 a year. Questions or feedback: support@streetwriters.co Privacy policy: https://notesnook.com/privacy Terms: https://notesnook.com/terms

Screenshots

Collabora Office4 screens
Notesnook4 screens

Verdict

The call

The clearest difference is rating: Notesnook at 4.7 against Collabora Office's 3.3. Notesnook also leads on review sentiment (78% vs 41%) and update cadence (weekly vs every 2 months). Collabora Office's advantage is in-app purchases (none vs 20). On price, ads, 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. Notesnook sells 17 in-app purchases, starting at $0.99 per month. Collabora Office asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Notesnook holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Notesnook has 653 ratings behind it against 114, so its average is the more settled of the two. Written reviews point the same way: 41% of Collabora Office's written reviews are positive against 78% of Notesnook's.

UpkeepUpdate frequency

Collabora Office ships an update every 2 months, Notesnook weekly. Both last shipped on September 26, 2026.

Scorecard6 real differences · 4 level
Collabora Office versus Notesnook: the parameters behind the verdict, then further details
ParameterCollabora OfficeNotesnook
PriceFreeFree
Rating3.3 (114 ratings)4.7 (653 ratings) — better
Positive reviews40.8% of reviews78.2% of reviews — better
Number of ratings114653 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.515.6 — better
Further details — not scored
Size320 MB89 MB
Age rating4+4+
DeveloperCollabora ProductivityStreetwriters LLC

Customer experience

Collabora Office

All ratings114 ratings
Positive50.0%
Neutral13.2%
Negative36.8%
Written reviews375 reviews
Positive40.8%
Neutral15.5%
Negative43.7%

Notesnook

All ratings653 ratings
Positive93.0%
Neutral2.5%
Negative4.6%
Written reviews386 reviews
Positive78.2%
Neutral6.7%
Negative15.0%

User reviews

Collabora Office

From 114 App Store ratings

What we love

  • 🚀 Excellent functionality
  • 🔒 Privacy-focused
  • 👍 Intuitive interface
  • 🚀 Seamless file compatibility
  • 👍 Useful for on-the-go editing

Room to improve

  • 🐛 Crashes and freezes
  • 🐛 Buggy scrolling and text selection
  • 🐛 Unreliable saving and file management
  • 👎 Clunky keyboard and trackpad support
  • 👎 Slow performance with larger documents

Notesnook

From 653 App Store ratings

What we love

  • 🚀 Fast and efficient
  • 🔒 Secure and private
  • 👍 Clean and intuitive UI
  • 👍 Cross-platform compatibility
  • 👍 Generous free tier

Room to improve

  • 🐛 Sync and login issues
  • 🐛 Buggy and crashes
  • 💰 Expensive premium tier
  • 🔒 Lack of free encryption features

Bugs and requests

Collabora Office

Reported bugs

4 issues
  • Unable to open password-protected documents
  • Formatting issues with imported documents
  • Inconsistent behavior when switching between apps
  • Keyboard and cursor controls not working as expected

Requested features

5 requests
  • Dark mode option
  • Improved cursor and text selection controls
  • Better integration with cloud storage services
  • More intuitive file naming and saving process
  • Enhanced spreadsheet functionality

Notesnook

Reported bugs

3 issues
  • Crashes on launch on older iOS devices
  • Sync issues leading to data loss
  • Unreliable login and verification process

Requested features

5 requests
  • Improved search functionality
  • Reminders and calendar integration
  • Handwriting and drawing support
  • Multilingual support
  • Improved table and spreadsheet features

In-app purchases

None

Collabora Office

No in-app purchases

17 purchases

Notesnook

Subscriptions17
  • Notesnook Pro$0.991 Month
  • Notesnook Essential Plan7 Days trial$1.991 Month
  • Notesnook Pro$2.491 Month
Show 14 more
  • Notesnook Pro Plan7 Days trial$2.991 Month
  • Notesnook Pro3 variants$4.491 Month
  • Notesnook Pro1 Month trial$4.491 Month
  • Notesnook Pro Plan7 Days trial$6.991 Month
  • Notesnook Believer Plan7 Days trial$8.991 Month
  • Notesnook Pro$9.991 Year
  • Notesnook Essential Plan14 Days trial$19.991 Year
  • Notesnook Pro$24.991 Year
  • Notesnook Pro Plan14 Days trial$29.901 Year
  • Notesnook Pro Yearly$49.991 Year
  • Notesnook Pro2 variants$49.991 Year
  • Notesnook Pro1 Year trial$49.991 Year
  • Notesnook Pro Plan14 Days trial$69.991 Year
  • Notesnook Believer Plan14 Days trial$89.991 Year

Questions

Is Collabora Office free?
Collabora Office is free to download, with no in-app purchases.
Is Notesnook free?
Notesnook is free to download, with in-app purchases available.
Which has better reviews, Collabora Office or Notesnook?
Notesnook is rated higher. Collabora Office averages 3.3 out of 5 from 114 ratings, while Notesnook averages 4.7 from 653 ratings.
Do Collabora Office or Notesnook have ads?
Neither Collabora Office nor Notesnook shows ads.
Which is updated more often, Collabora Office or Notesnook?
Collabora Office ships an update every 2 months, and Notesnook weekly. Most recently, Collabora Office was updated on September 26, 2026 and Notesnook on September 26, 2026.

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