Features & Capabilities

Collabora Office is a robust, open-source office suite for iOS, based on LibreOffice. It provides editing for text, spreadsheets, and presentations and supports Open Document Format (ODF) as well as Microsoft Office formats.

The project is under active development; bug reports and feedback are welcome via the bug tracker at col.la/iosBug. The iOS port combines LibreOffice code with a new front-end inspired by Collabora Online. It is released under the Mozilla Public License v2 and related Open Source licenses.

User Growth & Download Statistics

Contact the developer

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Developed by:
Collabora Productivity
Apple Apps Store
https://apps.apple.com/us/app/collabora-office/id1440482071
Website:
https://www.collaboraoffice.com

User Reviews

Users praise Collabora Office on iPad for OpenDocument/LibreOffice compatibility, offline/local storage, open-source/privacy, and a LibreOffice-like feature set. Repeated negatives include saving problems and data loss risks, crashes and slow performance, a non-intuitive, non-optimized mobile UI, and broken trackpad scrolling. Overall, it’s a compelling open-source Office alternative when stable and user-friendly, but remains unreliable and challenging for daily editing due to persistence of stability, saving, and UX issues.
Pros
  • OpenDocument/LibreOffice compatibility on iPad for editing documents
  • Supports local file storage and cloud-drive integration, enabling offline editing
  • Open-source and privacy-conscious design (transparency)
  • LibreOffice-like feature set on iPad, offering an Office-like alternative
Cons
  • Saving issues: unreliable autosave and difficulty saving or naming files; confusing save flow
  • Crashes and performance instability in Writer/Calc and slow file operations
  • Mobile UX/UI not optimized for touch; non-intuitive interface and glitches
  • Trackpad scrolling support is broken/limited on iPadOS, hindering editing navigation
Recent reviews
It’s been a smooth app that just does what it is supposed to do. If I see any bugs I will update the developer, max i deduct 1 star. What people are expecting from freeware open source apps? Can’t people be appreciating what they have. Okay those who give 1 star go back to your MS Excel and have fun.
by Ki*****, 2026-05-08

this product, will dump every bit of your work and it won't be backed up or saved. It is non-intuitive. If you simply want to select or copy text or edit it and you go through their painstaking menu it will erase everything you've written. Do not use this product. It is terrible. You will be heartbroken. You have to use the menu to select edit, and if you select all it doesn't really do it and then if you tap or double tap on the text it deletes everything and there's no way to get it back.
by Fa*****, 2026-04-25

While I’m writing, it keeps coming up with this ridiculous “Disconnected from Sever Error” when it “OBVIOUSLY” does “Not” use internet! And when it happens, the entire page just freezes, and it “Never” allows me to continue!!!!! So, you know what happens then?! I wind up losing everything, and never being able to get it back, and depending on how much editorial I’ve done, that could, very easily consist of hours and hours worth of work, as well! This is just very, very dissatisfying!!!!!
by Mr*****, 2026-04-19
View all user reviews ›

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