Comparison

USB Disk vs PdfToWatchReader Pro

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

PdfToWatchReader Pro

Features
Read full description

PDF To Watch Reader Pro requires a subscription to access all features. PDF To Watch Reader Pro is the simplest way to carry your documents everywhere you go. Import any PDF and read it with clean, distraction-free pages on your iPhone and iPad — then glance down and keep reading right on your Apple Watch, no phone in hand. Your whole library stays in sync through your own iCloud or Google Drive account, so every document is available the moment you switch devices, and nothing ever leaves your control. Save your most-used searches and jump straight to what matters across your entire library with a single tap. Choose between light and dark themes for comfortable reading day or night, and manage your Apple Watch storage with a single tap. Private by design, fast, and made for people who read on the move. Subscription Information: Monthly and annual auto-renewing subscription options available Payment is charged to your Apple ID at confirmation of purchase Subscription automatically renews unless cancelled at least 24 hours before the end of the current period Manage or cancel your subscription in your Apple ID account settings Privacy Policy: https://pdfreaderpro.zonesoft.ro/privacy.html Terms of Use: https://pdfreaderpro.zonesoft.ro/terms.html

Screenshots

USB Disk4 screens
PdfToWatchReader Pro4 screens

Verdict

The call

The clearest difference is price: PdfToWatchReader Pro at Free against USB Disk's $0.99. PdfToWatchReader Pro also leads on ads (none vs shown). USB Disk's advantage is iOS requirement (12.0 vs 17.0). On in-app purchases 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

PdfToWatchReader Pro is free to download; USB Disk costs $0.99 up front. USB Disk sells 10 in-app purchases, starting at $4.99 per month and PdfToWatchReader Pro sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard3 real differences · 7 level
USB Disk versus PdfToWatchReader Pro: the parameters behind the verdict, then further details
ParameterUSB DiskPdfToWatchReader Pro
Price$0.99Free — better
Rating4.6 (160 ratings) — better—
Positive reviews70.8% of reviews—
Number of ratings160 — better—
Update frequencyEvery 3 months—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS12.0 — better17.0
Further details — not scored
Size170 MB6 MB
Age rating4+4+
DeveloperImesart S.a.r.l.ZONESOFT S.R.L.

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

PdfToWatchReader Pro

Not enough reviews yet to summarise bugs or requests.

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
2 purchases

PdfToWatchReader Pro

Subscriptions2
  • PdfToWatchReaderPro Premium3 Days trial$0.991 Month
  • PdfToWatchReaderPro Premium3 Days trial$9.991 Year

Questions

Is USB Disk free?
USB Disk costs $0.99, and also offers in-app purchases.
Is PdfToWatchReader Pro free?
PdfToWatchReader Pro is free to download, with in-app purchases available.
Do USB Disk or PdfToWatchReader Pro have ads?
USB Disk shows ads; PdfToWatchReader Pro does not.

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