Comparison

USB Disk SE, File Manager vs O2GFlash

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

Head to head
About

USB Disk SE, File Manager

This app allows you to store, view, and manage documents on your iPhone and iPad. It offers a built-in viewer, easy file transfers via iTunes, and integration with cloud storage services. Enjoy a simple interface with powerful features for organizing and accessing your files.

Highlights
  • Cloud storage integration (Dropbox, Google Drive, OneDrive, Box)
  • Store and view files on iPhone/iPod
  • Intuitive swipe navigation
  • File preview with thumbnails
  • Copy, paste, cut, delete, and create files
  • Email documents
  • USB file transfers
Features
Read full description

USB Disk lets you store, view and manage documents on your iPhone and 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 / 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. • Store and view files on your iPhone / iPod. • 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. • Full screen file viewer. • USB file transfers. • Background audio. • Slideshow with adjustable delay. • Fast scrolling, page up/down functionalities. • Email your documents. SUPPORTED FILE TYPES • PDF files. • 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: • Open and create zip files. • Adjust the audio mixer, use shuffle and repeat. • 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

O2GFlash

Features
Read full description

文件浏览:查看手机及外置存储的文件、照片、视频,支持分类预览与基础操作。 智能分类:自动分类,可手动调整。 一键备份 / 还原:增量备份新增资料,支持指定版本还原,本地存储保隐私。 文件管理器属于苹果的一款优盘文件管理应用 故事影集:选照片自动生成带配乐特效的影集,可自定义编辑并本地保存分享。

Screenshots

USB Disk SE, File Manager4 screens
O2GFlash3 screens

Verdict

The call

The clearest difference is in-app purchases: O2GFlash at none against USB Disk SE, File Manager's 4. O2GFlash also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 months). On price and device support 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. USB Disk SE, File Manager sells 4 in-app purchases, starting at $1.99 per 7 days. O2GFlash asks for nothing beyond the download.

UpkeepUpdate frequency

USB Disk SE, File Manager ships an update every 3 months, O2GFlash every 10 days. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
USB Disk SE, File Manager versus O2GFlash: the parameters behind the verdict, then further details
ParameterUSB Disk SE, File ManagerO2GFlash
PriceFreeFree
Rating4.4 (846 ratings) — better—
Positive reviews76.3% of reviews—
Number of ratings846 — better—
Update frequencyEvery 3 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS16.012.0 — better
Further details — not scored
Size224 MB113 MB
Age rating4+17+
DeveloperImesart S.a.r.l.奥尔特云(深圳)智慧科技有限公司

Bugs and requests

USB Disk SE, File Manager

Reported bugs

3 issues
  • Crashes when opening certain file types
  • Syncing issues with iTunes
  • Compatibility problems with newer iOS versions

Requested features

4 requests
  • Ability to edit documents within the app
  • Improved file management with folders and renaming
  • Support for more file types
  • Wireless file transfer without iTunes

O2GFlash

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

USB Disk SE, File Manager

Subscriptions4
  • USB Disk Pro Weekly$1.997 Days
  • USB Disk Pro Monthly7 Days trial$4.991 Month
  • USB Disk Pro Half Yearly14 Days trial$19.996 Months
Show 1 more
  • USB Disk Pro Yearly1 Month trial$39.991 Year
None

O2GFlash

No in-app purchases

Questions

Is USB Disk SE, File Manager free?
USB Disk SE, File Manager is free to download, with in-app purchases available.
Is O2GFlash free?
O2GFlash is free to download, with no in-app purchases.
Do USB Disk SE, File Manager or O2GFlash have ads?
USB Disk SE, File Manager shows ads; O2GFlash does not.
Which is updated more often, USB Disk SE, File Manager or O2GFlash?
USB Disk SE, File Manager ships an update every 3 months, and O2GFlash every 10 days. Most recently, USB Disk SE, File Manager was updated on October 17, 2026 and O2GFlash on October 5, 2026.

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