Comparison

USB Disk 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

USB Disk

Manage and view documents on your iPhone or iPad with this intuitive file manager. Access cloud storage, open various file types, and transfer files via iTunes. Advanced features like photo library access and PDF annotation are available via subscription.

Highlights
  • Cloud storage integration (Dropbox, Google Drive, OneDrive, Box)
  • Built-in document viewer for various file types
  • File transfer via iTunes
  • Create and open zip files
  • Swipe navigation and file previews
  • Email documents and download attachments
Features
Read full description

USB Disk lets you store, view and manage documents on your iPhone or iPad. It has an amazing built in document viewer and is very easy to use, with a simple and intuitive interface, yet it contains many powerful features. Drag and drop files in iTunes to transfer them to your iPhone or iPad, then view them anywhere! TUAW - "USB Disk is [...] a nicely designed one." Lifehacker - "The Best. USB Disk for iOS gives you a fast and easy way to transfer documents and images to your device." Apple - "New and Noteworthy" TOP REASONS TO BUY • Access Dropbox, Google Drive, OneDrive and Box. • Open and create zip files. • Store and view files. • Navigate using swipes (like Photos / iBooks app). • Thumbnails let you preview your files. • Copy, paste, cut, delete and create files. MORE FEATURES • View and download email attachments. • Restores last viewing position. • Full screen file viewer. • CBR and CBZ file viewer. • USB file transfers. • Background audio. • Slideshow with adjustable delay. • Fast scrolling, page up/down functionalities. • Email your documents. • Lock code. SUPPORTED FILE TYPES • PDF files. • Compressed files (zip, rar). • MS Office documents. • iWork documents. • Pictures (jpg, png, gif, ...). • eBooks (pdf, ePub, html, txt, ...). • Comics (cbr, cbz, pdf, ...). • Audio files (mp3, m4a, wav, ...). • Video files (m4v, mov, avi, mkv, ...). UPDATES Buy now and get free updates. SUBSCRIPTION All features listed above can be used without an in app purchase. Some advanced features require an active subscription. These include: • Access the device's photos library. • Protect the access to the app or specific files and folders with lock codes. • Access WebDAV and FTP servers. You can also configure SharePoint connections. • Edit simple text files. Also annotate PDF files. • Present files on external screens. Duration and price of each subscription are displayed in our storefront. All subscription costs will be charged to your Apple ID account, starting at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the subscription period. Your account will be charged for renewal within 24 hours prior to the end of the subscription period. It is not possible to cancel a subscription period once you have been charged for it. Any unused portion of a free trial period is forfeited as soon as a subscription is purchased. You can manage subscriptions and disable auto renewal by going to your account settings on the App Store after purchase. Terms of Service: https://imesart.com/legal/terms-of-service.php

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, 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 cloud 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). Work faster with AI: use the AI assistant, generate documents and presentations, fill out forms automatically, and use on-device voice input in AI chats and AI assistants. 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

USB Disk4 screens
ONLYOFFICE Documents4 screens

Verdict

The call

The clearest difference is price: ONLYOFFICE Documents at Free against USB Disk's $0.99. ONLYOFFICE Documents also leads on in-app purchases (none vs 10) and ads (none vs shown). USB Disk's advantage is rating (4.6 vs 3.6) and review sentiment (71% vs 51%). On ratings volume, update cadence, 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

ONLYOFFICE Documents is free to download; USB Disk costs $0.99 up front. USB Disk sells 10 in-app purchases, starting at $4.99 per month. ONLYOFFICE Documents asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

USB Disk holds the better App Store score, 4.6 against 3.6. Both are backed by a comparable volume of ratings — 161 and 182 respectively. Written reviews point the same way: 71% of USB Disk's written reviews are positive against 51% of ONLYOFFICE Documents's.

UpkeepUpdate frequency

USB Disk ships an update every 2 months, ONLYOFFICE Documents every 6 weeks. Both last shipped on November 6, 2026.

Scorecard6 real differences · 4 level
USB Disk versus ONLYOFFICE Documents: the parameters behind the verdict, then further details
ParameterUSB DiskONLYOFFICE Documents
Price$0.99Free — better
Rating4.6 (161 ratings) — better3.6 (182 ratings)
Positive reviews70.9% of reviews — better51.1% of reviews
Number of ratings161182 — better
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size200 MB410 MB
Age rating4++4
DeveloperImesart S.a.r.l.Ascensio System SIA

Customer experience

USB Disk

All ratings161 ratings
Positive90.7%
Neutral3.1%
Negative6.2%
Written reviews1,057 reviews
Positive70.9%
Neutral13.9%
Negative15.2%

ONLYOFFICE Documents

All ratings180 ratings
Positive62.8%
Neutral7.8%
Negative29.4%
Written reviews474 reviews
Positive51.1%
Neutral17.1%
Negative31.9%

User reviews

USB Disk

From 161 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient file management
  • 💡 Useful for storing and accessing documents
  • 👍 Convenient for transferring files between devices

Room to improve

  • 🐛 Crashes and stability issues
  • 💰 Expensive paid features
  • 🔒 Concerns about security and privacy
  • 🤔 Misleading app description

ONLYOFFICE Documents

From 182 App Store ratings

What we love

  • 👍 User-friendly interface
  • 🚀 Good MS Office compatibility
  • 🔒 Privacy-focused
  • 💡 Useful for basic document editing
  • 👍 Clean and polished design

Room to improve

  • 🐛 Crashes and stability issues
  • 🐛 Bugs with text input and formatting
  • 🐛 Unreliable file saving and syncing
  • 🔋 Performance and battery drain problems
  • 🔒 Lacks integration with popular cloud services

Bugs and requests

USB Disk

Reported bugs

3 issues
  • Inability to open certain file types
  • Compatibility issues with newer iOS versions
  • Syncing problems between devices

Requested features

4 requests
  • Support for more file types
  • Improved integration with cloud storage services
  • Ability to edit and annotate files
  • Better organization and folder management

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

10 purchases

USB Disk

Subscriptions1
  • USB Disk Pro Monthly7 Days trial$4.991 Month
One-time9
  • Audio Player +$0.99
  • Zip files support$0.99
  • Dropbox access$0.99
Show 6 more
  • Lock code$0.99
  • Text editor$0.99
  • Evernote access$0.99
  • Google Drive access$0.99
  • OneDrive access$0.99
  • WebDAV access$1.99
None

ONLYOFFICE Documents

No in-app purchases

Questions

Is USB Disk free?
USB Disk costs $0.99, and also offers in-app purchases.
Is ONLYOFFICE Documents free?
ONLYOFFICE Documents is free to download, with no in-app purchases.
Which has better reviews, USB Disk or ONLYOFFICE Documents?
USB Disk is rated higher. USB Disk averages 4.6 out of 5 from 161 ratings, while ONLYOFFICE Documents averages 3.6 from 182 ratings.
Do USB Disk or ONLYOFFICE Documents have ads?
USB Disk shows ads; ONLYOFFICE Documents does not.
Which is updated more often, USB Disk or ONLYOFFICE Documents?
USB Disk ships an update every 2 months, and ONLYOFFICE Documents every 6 weeks. Most recently, USB Disk was updated on November 6, 2026 and ONLYOFFICE Documents on November 6, 2026.

Other comparisons