Comparison

USB Disk SE, File Manager vs iSecure Adapter

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

iSecure Adapter

This app facilitates secure data transfer and file protection for iPhone and iPad devices. It allows users to back up photos, videos, and contacts, and transfer files between their device and external storage like USB flash drives or Micro SD cards.

Highlights
  • Secure data transfer
  • File protection
  • Backup photos and videos
  • Backup contacts
  • Transfer to USB/Micro SD
Features
Read full description

App is designed to work with iSecure Adapter product for iPhone & iPad and supports data transfer and file protection. Security .Advanced hardware 256-bit AES cipher for data encryption Data transfer and backup .Free up space on your iPhone or iPad .Data transfer between iPhone/iPad and USB flash drive or Micro SD card .Backup photos and videos from your camera roll .Backup contacts from your device

Screenshots

USB Disk SE, File Manager4 screens
iSecure Adapter4 screens

Verdict

The call

The clearest difference is rating: USB Disk SE, File Manager at 4.4 against iSecure Adapter's 2.0. USB Disk SE, File Manager also leads on ratings volume (829 vs 1) and device support (5 vs 3). iSecure Adapter's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, update cadence 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. USB Disk SE, File Manager sells 4 in-app purchases, starting at $1.99 per 7 days. iSecure Adapter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

USB Disk SE, File Manager holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: USB Disk SE, File Manager has 829 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

USB Disk SE, File Manager ships an update every 3 months, iSecure Adapter every 2 months. The most recent releases landed on September 26, 2026 and June 22, 2026 respectively.

Scorecard6 real differences · 4 level
USB Disk SE, File Manager versus iSecure Adapter: the parameters behind the verdict, then further details
ParameterUSB Disk SE, File ManageriSecure Adapter
PriceFreeFree
Rating4.4 (829 ratings) — better2.0 (1 ratings)
Positive reviews76.2% of reviews—
Number of ratings829 — better1
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size195 MB28 MB
Age rating4+4+
DeveloperImesart S.a.r.l.sunprotected technology corp.

Customer experience

USB Disk SE, File Manager

All ratings829 ratings
Positive85.2%
Neutral4.2%
Negative10.6%
Written reviews1,783 reviews
Positive76.2%
Neutral9.8%
Negative14.0%

iSecure Adapter

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

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

iSecure Adapter

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

iSecure Adapter

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 iSecure Adapter free?
iSecure Adapter is free to download, with no in-app purchases.
Which has better reviews, USB Disk SE, File Manager or iSecure Adapter?
USB Disk SE, File Manager is rated higher. USB Disk SE, File Manager averages 4.4 out of 5 from 829 ratings, while iSecure Adapter averages 2.0 from 1 ratings.
Do USB Disk SE, File Manager or iSecure Adapter have ads?
USB Disk SE, File Manager shows ads; iSecure Adapter does not.
Which is updated more often, USB Disk SE, File Manager or iSecure Adapter?
USB Disk SE, File Manager ships an update every 3 months, and iSecure Adapter every 2 months. Most recently, USB Disk SE, File Manager was updated on September 26, 2026 and iSecure Adapter on June 22, 2026.

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