USB Disk SE, File Manager vs PhotoNAS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
PhotoNAS
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PhotoNAS is a NAS device (Network Attached Storage), which is simplified for: 1, photo backup and photo sharing. 2, file backup and file sharing 3, co-work between different users and different platforms. (For more information, see the website https://www.idiskk.com/nas/PN201S/) PhotoNAS app is an app to realize functions above. It can: 1, one-click backup and share photos in mobile phones to PhotoNAS. It supports increment backup, which means you can do on-click backup later, only new photos are backup. 2, easily backup files and synchronize files by PhotoNAS. 3, File transferring is encrypted. 4, platforms supported , 10 users supported, makes co-work simple and easy.
Screenshots
Verdict
The clearest difference is in-app purchases: PhotoNAS at none against USB Disk SE, File Manager's 4. PhotoNAS also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). USB Disk SE, File Manager's advantage is device support (5 vs 3). On price 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
Both are free to download. USB Disk SE, File Manager sells 4 in-app purchases, starting at $1.99 per 7 days. PhotoNAS asks for nothing beyond the download.
USB Disk SE, File Manager ships an update every 3 months, PhotoNAS every 3 weeks. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.
| Parameter | USB Disk SE, File Manager | PhotoNAS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (829 ratings) — better | — |
| Positive reviews | 76.2% of reviews | — |
| Number of ratings | 829 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple TV, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 195 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | Imesart S.a.r.l. | Shenzhen Feitianxia Technology Co, Ltd. |
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
PhotoNAS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
USB Disk SE, File Manager
- 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
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- USB Disk Pro Yearly1 Month trial$39.991 Year
PhotoNAS
No in-app purchases
Questions
Is USB Disk SE, File Manager free?
Is PhotoNAS free?
Do USB Disk SE, File Manager or PhotoNAS have ads?
Which is updated more often, USB Disk SE, File Manager or PhotoNAS?
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