Comparison

USB Disk SE, File Manager vs Flash Reader

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

Flash Reader

This app helps you read faster by displaying words rapidly, bypassing subvocalization. It supports various document formats and offers customization options to improve reading speed and comprehension.

Highlights
  • Rapid word display (RSVP)
  • Supports numerous document formats (PDF, EPUB, DOCX, etc.)
  • Import from Pocket, Instapaper, Dropbox, and camera
  • Built-in web browser with article saving
  • Customizable reading speed and display
  • Bookmark and resume functionality
Features
Read full description

Ever had to read through a an email, book or an article on the web, but felt like it took ages to read through it all? Normally your brain will attempt to pronounce words you read, which is called subvocalization or internal speech. Flash Reader removes this limitation by showing you words so fast that your brain doesn't have time to subvocalize, but still allows you to retain everything you've read, by something called RSVP. Whether it's light reading, or complicated business emails, training your eyes to read faster couldn't be easier, while your reading skill and comprehension will keep getting better and better with each article you finish. 3rd Party Support: • Pocket, Instapaper & Dropbox support* • Open & import eBooks files and docs such as DOC, RTF, TXT, PDF, EPUB, DOCX, AZW (Amazon Kindle .AZW files only), MOBI and ODT (OpenDocument) files* Note: Documents need to be DRM-free (no copy protection) and have no OCR (scanned) elements. Key Features: • Massive document format support* • Import from Dropbox, iTunes and any other app capable of opening files • Built-in web-browser, with full support for Google search and saving articles* • Bookmarking, easily resume where you left off • Import documents by using your Camera* • iOS 8 Extension for easy importing of both files and websites* • Different reading modes to suit your needs • Customization, including words per minute (WPM), words per flash, themes, fonts and font sizes • Boost your productivity and learn to speed read at lightning fast speeds • Universal, works on iPhone, iPod & iPad (iPhone 6 and iPhone 6 Plus included!) For Instant Help, open up the Support-section of the app. Visit FlashReaderApp.com for more information. ••• What people are saying about Flash Reader ••• "I was very skeptical at first, then I tried it. Now I'm impressed!!! Using this tool to read a page, blog or instructions made made it seem like it took no time at all. I actually think using this app on a regular basis my even improve my reading skills. I'm so impressed, I'm recommending it on twitter!!!", 5/5 stars -Ninny2U "I like it so much I use it every day.", 5/5 stars -Joseph "Great for readers who find words move on the page! I can read so quickly with it. For studying materials - like journal articles - I start slower, read once, then up the speed again and again. Much greater retention than trying to read just in text!", 5/5 stars -Jacqjacq14 "It's now so easy to read faster with this app !", 4/5 stars -Manuel Klaassen "This app is a wonderful way to breeze through a long read!", 4/5 stars -Matthew Bartlett Coming up soon: - A cloud based solution for backing up and syncing articles and bookmarks - Evernote, Readability and Feedly support - Built-in bookstore (free ebooks) - Better article navigation (search by page or by word) - Spritz-like reading Thank you for the reviews, keep them coming! Based on the feedback we receive, we'll add and modify the features as much as we can. *Please note: Flash Reader DOES NOT have advertisements of any kind. Services such as Instapaper, Pocket, website article saving and certain file-specific document conversions have limits and might require the Flash Reader Pro upgrade, which is a permanent one-time payment that unlocks all features of the app. Some services (including PDF and ePub importing, as well as Microsoft Office files like DOCX) require an active internet connection when importing. Also note that Flash Reader does not have voice support, so no text-to-speech or anything like that.

Screenshots

USB Disk SE, File Manager4 screens
Flash Reader1 screens

Verdict

The call

The clearest difference is ads: Flash Reader at none against USB Disk SE, File Manager's shown. Flash Reader also leads on update cadence (monthly vs every 3 months) and iOS requirement (9.3 vs 12.0). USB Disk SE, File Manager's advantage is review sentiment (76% vs 49%) and rating (4.4 vs 4.2). On price, in-app purchases and monetization model 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 and Flash Reader sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

USB Disk SE, File Manager holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: USB Disk SE, File Manager has 829 ratings behind it against 162, so its average is the more settled of the two. Written reviews point the same way: 76% of USB Disk SE, File Manager's written reviews are positive against 49% of Flash Reader's.

UpkeepUpdate frequency

USB Disk SE, File Manager ships an update every 3 months, Flash Reader monthly. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

Scorecard7 real differences · 3 level
USB Disk SE, File Manager versus Flash Reader: the parameters behind the verdict, then further details
ParameterUSB Disk SE, File ManagerFlash Reader
PriceFreeFree
Rating4.4 (829 ratings) — better4.2 (162 ratings)
Positive reviews76.2% of reviews — better49.3% of reviews
Number of ratings829 — better162
Update frequencyEvery 3 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS12.09.3 — better
Further details — not scored
Size195 MB72 MB
Age rating4+17+
DeveloperImesart S.a.r.l.Didstopia

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%

Flash Reader

All ratings162 ratings
Positive79.0%
Neutral8.0%
Negative13.0%
Written reviews136 reviews
Positive49.3%
Neutral5.9%
Negative44.9%

User reviews

USB Disk SE, File Manager

From 829 App Store ratings

What we love

  • 💾 Easy file storage and access
  • 📁 Convenient document management
  • 🔍 Supports various file formats
  • ⚙️ Useful for transferring files between devices

Room to improve

  • 🐛 Crashes and freezes reported
  • 🔒 Limited file access and editing capabilities
  • 💰 Paywall for some features
  • 🔍 Difficulty organizing files

Flash Reader

From 162 App Store ratings

What we love

  • 🚀 Ahead of its time
  • 👍 Simple to use
  • 🚀 Helps read books efficiently
  • 👍 Useful, easy to use
  • 👍 Brilliant app, great time saver

Room to improve

  • 🐛 Doesn't allow to open modern websites
  • 🐛 Restarts the book being read
  • 🐛 Crashes when using camera
  • 🐛 Bugs and stops working
  • 🐛 Loses reading progress

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

Flash Reader

Reported bugs

5 issues
  • Login screen freezes
  • Incompatible with older devices
  • Crashes when switching modes
  • Loses reading progress
  • Inaccurate resume times

Requested features

10 requests
  • Fancy text like newer video captions
  • Bookmarks and navigation
  • Support for Google Drive
  • Quick rewind option
  • Table of contents
Show 5 more
  • Search option
  • Ability to go backward/forward
  • Choose page to go to
  • Dark mode
  • Advanced analytics dashboard

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
5 purchases

Flash Reader

One-time5
  • Flash Reader Pro$0.99
  • Flash Reader Pro2 variants$1.99
  • Flash Reader Pro$2.99
Show 2 more
  • Flash Reader Pro$3.99
  • Flash Reader Pro$4.99

Questions

Is USB Disk SE, File Manager free?
USB Disk SE, File Manager is free to download, with in-app purchases available.
Is Flash Reader free?
Flash Reader is free to download, with in-app purchases available.
Which has better reviews, USB Disk SE, File Manager or Flash Reader?
USB Disk SE, File Manager is rated higher. USB Disk SE, File Manager averages 4.4 out of 5 from 829 ratings, while Flash Reader averages 4.2 from 162 ratings.
Do USB Disk SE, File Manager or Flash Reader have ads?
USB Disk SE, File Manager shows ads; Flash Reader does not.
Which is updated more often, USB Disk SE, File Manager or Flash Reader?
USB Disk SE, File Manager ships an update every 3 months, and Flash Reader monthly. Most recently, USB Disk SE, File Manager was updated on September 30, 2026 and Flash Reader on September 29, 2026.

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