Comparison

USB Disk SE, File Manager vs Quby

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

Quby

Features
Read full description

Quby - Your All-in-One QR Code buddy Meet Quby, the beautifully designed QR code app that makes scanning and creating QR codes effortlessly simple. Whether you need to quickly scan a menu, share contact information, or create custom QR codes for any purpose, Quby has you covered with powerful features wrapped in an intuitive interface. SCAN ANYTHING, INSTANTLY Point your camera at any QR code and Quby recognizes it in milliseconds. Get instant results with smart parsing that automatically detects what type of information is encoded — whether it's a website, contact details, or a message. • Lightning-fast camera scanning • Import QR codes from your photo library • Intelligent QR code detection and parsing • Flashlight for scanning in low light • Switch between front and back cameras CREATE CUSTOM QR CODES Generate professional QR codes in seconds for any type of content. Perfect for sharing Wi-Fi passwords, business cards, event links, and more. • Plain text - Share notes, passwords, or any text • Website URLs - Direct links to any webpage • Email - Pre-filled recipient, subject, and message • SMS - Phone number with optional message text • Phone numbers - One-tap calling • WhatsApp - Direct WhatsApp chat links SMART ACTIONS Quby doesn't just show you information — it helps you act on it immediately. Every scanned or created QR code comes with context-aware actions: • Tap to open URLs in your browser • Launch email app with pre-filled content • Send SMS messages instantly • Make phone calls with one tap • Start WhatsApp conversations • Copy text to clipboard • Share QR code images with anyone COMPLETE HISTORY Never lose a scan again. Quby automatically saves every QR code you scan or create, so you can revisit them anytime. • Automatic history tracking • Filter by scanned or generated codes • Search through past scans • Re-share saved QR codes as images • Delete individual items or clear all history • Toggle auto-save in settings BEAUTIFUL DESIGN Quby features a clean, modern interface that feels right at home on your device. • Light and dark themes • Automatic theme based on system settings • Smooth animations and transitions • Intuitive navigation • Optional haptic feedback PRIVACY FIRST Your privacy matters. All QR code processing happens directly on your device — nothing is uploaded to external servers. Camera access is only used for scanning, and you maintain complete control over your data. ADDITIONAL FEATURES • Onboarding guide for new users • Customizable settings for personalization • Haptic feedback toggle • Share QR codes as high-quality images • Export and share with any app • Offline functionality - no internet required • Fast and lightweight app • Regular updates and improvements WHY CHOOSE QUBY? While other QR apps are cluttered with ads and confusing interfaces, Quby focuses on what matters: speed, simplicity, and reliability. Whether you're a casual user who occasionally scans restaurant menus or a power user who generates QR codes daily, Quby adapts to your needs. Perfect for: • Business professionals sharing contact info • Event organizers distributing links • Restaurants and cafes with digital menus • Anyone who values speed and simplicity GET STARTED TODAY Download Quby now and experience the easiest way to scan and create QR codes. Join thousands of users who trust Quby for their daily QR code needs.

Screenshots

USB Disk SE, File Manager4 screens
Quby4 screens

Verdict

The call

The clearest difference is in-app purchases: Quby at none against USB Disk SE, File Manager's 4. Quby also leads on ads (none vs shown). On price, 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

Both are free to download. USB Disk SE, File Manager sells 4 in-app purchases, starting at $1.99 per 7 days. Quby asks for nothing beyond the download.

Scorecard2 real differences · 8 level
USB Disk SE, File Manager versus Quby: the parameters behind the verdict, then further details
ParameterUSB Disk SE, File ManagerQuby
PriceFreeFree
Rating4.4 (852 ratings) — better—
Positive reviews76.3% of reviews—
Number of ratings852 — better—
Update frequencyEvery 3 months—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size224 MB37 MB
Age rating4+4+
DeveloperImesart S.a.r.l.Damir Rama

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

Quby

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

Quby

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 Quby free?
Quby is free to download, with no in-app purchases.
Do USB Disk SE, File Manager or Quby have ads?
USB Disk SE, File Manager shows ads; Quby does not.

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