Comparison

Mio vs ONLYOFFICE Documents

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

Head to head
About

Mio

This AI-powered assistant solves math problems, plots graphs, and answers general knowledge questions directly on your device. It can process image input for homework and offers offline capabilities for most functions, only connecting online for live data.

Highlights
  • AI math problem solving
  • Real-time graph plotting
  • Image input for homework
  • Offline knowledge assistant
  • Live data retrieval
  • General knowledge inquiries
Features
Read full description

Mio is your all-in-one AI math and knowledge assistant, running completely on your iPhone and iPad. Mio is powered by a proprietary computer algebra system, and can answer math questions, solve equations, and plot graphs in real time faster than any other AI assistant on the App Store! And now, when Mio needs a little extra help, it can use Apple's Foundation Language Models (available starting with iOS 26) right on your device! No internet connection required. Mio only connects online when you ask for live data such as currency exchange rates or weather conditions. Everything else, including nutrition data, is processed completely on your device. With Mio, you can even use image input to snap photos of your homework with no limit. But Mio doesn't stop at math alone. Wondering about the weather or need quick facts? Just ask! Mio's capabilities extend beyond equations, making it a versatile tool for all sorts of inquiries. Embrace the power of instant answers and unlock a world of knowledge with Mio on your iPhone and iPad.

About

ONLYOFFICE Documents

Create and edit documents, spreadsheets, and presentations on your mobile device. Collaborate in real-time with teammates or external partners, and connect to your preferred cloud storage. Scan paper documents and convert them into editable files.

Highlights
  • Real-time collaboration
  • Document, spreadsheet, and presentation editors
  • Wide format compatibility
  • Cloud storage integration
  • PDF form filling
  • Document scanning and conversion
Features
Read full description

ONLYOFFICE Documents - Your mobile office for iOS ONLYOFFICE Docs for iOS is a free office app allowing you to create and edit documents, spreadsheets, presentations, forms, and PDFs on your iPhone or iPad. Work locally or connect the app to your favourite cloud: ONLYOFFICE DocSpace or Workspace, Dropbox, Box, iCloud, Nextcloud, ownCloud, or kDrive. ONLYOFFICE Documents for iOS offers wide format compatibility from MS Office formats (DOCX, XLSX, PPTX) to Apple files (Pages, Numbers, Keynote), Hangul Word Processor formats (HWP, HWPX), ODG drawings, Markdown files, and even media files. Connect to your DocSpace hub to collaborate with your teammates in real time. Leave comments, track changes, manage versions, and assign flexible permissions for viewing, commenting, or editing. You can also share documents with external collaborators via link, accept or reject their changes, and fill out role-based forms in secure Virtual Data Rooms (VDRs). Scan paper documents with your camera, extract text, and convert them into editable files. With powerful collaboration features and superb format compatibility, ONLYOFFICE Documents helps you stay connected and efficient on the go. Key features for better produсtivity Real-time collaboration • Comment, track and review changes • Fill out role-based forms in VDR • Control access with read, review, or full rights • Easy sharing, even with external collaborators Document Editor • Insert tables, autoshapes, images, charts • Recognize handwritten text to create notes • Add graphic annotations and markup • Insert footnotes, endnotes, page numbers, section breaks • Set font type, size, and colour • Change text wrapping • Protect documents with a password Spreadsheet Editor • Select, cut, copy, paste data • Set font type, size, and colour. • Apply cell style, add cell borders, align data in cells • Wrap text in a cell. • Insert tables, autoshapes, images, charts, formulas • Resize, move, rotate objects, reshape autoshapes • Add annotations and free-hand drawings • Protect spreadsheets with a password • Sort and filter data • Work collaboratively on spreadsheets Presentation Editor • Mobile presentation viewer • Select, cut, copy, paste text and objects • Change slide layout, background, parameters, theme • Apply transitions • Insert tables, autoshapes, images, charts • Add annotations and free-hand drawings • Create lists • Discuss slides in real-time • Protect presentations with a password • Download and print presentations PDF form filler • Open and fill out forms stored on your device. • Use ready templates from the template library • Protect forms with a password • Export ready forms in DOCX or PDF. Why Choose ONLYOFFICE Documents? • No need to install additional apps for editing docs • Clear, user-friendly interface • Work anywhere, anytime • Robust collaboration tools • Support for all key document formats • Absolutely free • No ads or in-app purchases Enjoy smooth editing and seamless document collaboration with ONLYOFFICE Documents. Your mobile office is just one tap away—download it today! Download Now

Screenshots

Mio4 screens
ONLYOFFICE Documents4 screens

Verdict

The call

The clearest difference is rating: Mio at 4.5 against ONLYOFFICE Documents's 3.6. ONLYOFFICE Documents's advantage is iOS requirement (14.0 vs 26.0). On price, review sentiment, ratings volume and update cadence 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.

ReceptionRating · Positive reviews · Number of ratings

Mio holds the better App Store score, 4.5 against 3.6. Both are backed by a comparable volume of ratings — 75 and 157 respectively. Written reviews split almost evenly too, at 51% and 51% positive.

UpkeepUpdate frequency

Mio ships an update monthly, ONLYOFFICE Documents every 6 weeks. The most recent releases landed on August 16, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level
Mio versus ONLYOFFICE Documents: the parameters behind the verdict, then further details
ParameterMioONLYOFFICE Documents
PriceFreeFree
Rating4.5 (75 ratings) — better3.6 (157 ratings)
Positive reviews51.1% of reviews — better51.0% of reviews
Number of ratings75157 — better
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.014.0 — better
Further details — not scored
Size11 MB417 MB
Age rating4+4+
DeveloperPomegranate Apps LLCAscensio System SIA

Customer experience

Mio

All ratings75 ratings
Positive86.7%
Neutral5.3%
Negative8.0%
Written reviews45 reviews
Positive51.1%
Neutral11.1%
Negative37.8%

ONLYOFFICE Documents

All ratings143 ratings
Positive62.9%
Neutral7.0%
Negative30.1%
Written reviews465 reviews
Positive51.0%
Neutral17.4%
Negative31.6%

Bugs and requests

Mio

Not enough reviews yet to summarise bugs or requests.

ONLYOFFICE Documents

Reported bugs

4 issues
  • Inability to open and edit existing documents
  • Compatibility issues with older iOS versions
  • Problems with Nextcloud and other cloud service connections
  • Cursor and text input bugs when using external keyboards

Requested features

5 requests
  • Add support for traditional Chinese language
  • Improve keyboard and external input device support
  • Implement autosave and version history features
  • Integrate with iCloud, OneDrive, and other cloud storage
  • Expand formatting and editing capabilities

In-app purchases

None

Mio

No in-app purchases

None

ONLYOFFICE Documents

No in-app purchases

Questions

Is Mio free?
Mio is free to download, with no in-app purchases.
Is ONLYOFFICE Documents free?
ONLYOFFICE Documents is free to download, with no in-app purchases.
Which has better reviews, Mio or ONLYOFFICE Documents?
Mio is rated higher. Mio averages 4.5 out of 5 from 75 ratings, while ONLYOFFICE Documents averages 3.6 from 157 ratings.
Do Mio or ONLYOFFICE Documents have ads?
Neither Mio nor ONLYOFFICE Documents shows ads.
Which is updated more often, Mio or ONLYOFFICE Documents?
Mio ships an update monthly, and ONLYOFFICE Documents every 6 weeks. Most recently, Mio was updated on August 16, 2026 and ONLYOFFICE Documents on September 20, 2026.

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