Portable USB · Cloud Ready vs DUO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Portable USB · Cloud Ready
Transform your iPhone into a portable storage device. Easily manage local and cloud files, transfer them wirelessly or via USB, and share them securely. Supports a wide range of file formats for seamless viewing and organization.
- Cloud integration (GoogleDrive, Dropbox, OneDrive, iCloud)
- Wi-Fi and USB file transfer
- Secure multi-layer encryption
- Comprehensive file management (search, organize, compress)
- Full format support for viewing (PDF, Office, media)
- Easy file sharing
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"Portable USB" — Turn your iPhone into a portable storage hub to easily manage local and cloud files! No complicated operations needed—efficiently organize, view all types of files, and quickly share them with others. The interface is simple and easy to use, while packing powerful and practical features: ◆ Seamless Multi-Platform Cloud Integration Supports GoogleDrive, DropBox, OneDrive, and iCloud for one-step file synchronization; ◆ Flexible Transfer & Easy Sharing ・Wi-Fi Transfer: Wirelessly move files between your phone and computer with ease. ・USB Cable Sharing: For the fastest speed, use iTunes on Windows or Finder on macOS. ・Share files bidirectionally with other apps, or via email attachments. ◆ Multi-Layer Encryption for Your Privacy Keep your data safe with a secure 4-digit passcode, complex password, pattern lock, or Touch ID; ◆ All-in-One File Management Global search, folder categorization, rename/move/compress/decompress (ZIP), and multi-dimensional sorting; ◆ Full Format Support for Smooth Viewing ・PDFs (thumbnails, bookmarks, printing) ・Images (swipe to browse, zoom) ・Documents (Word, Excel, PPT, iWork, html) ・Audio & Video (mp4, mp3 and other mainstream formats) We also provide handy usage tips and professional technical support to make file management simpler for you! Have questions? Contact us: awfsksk@gmail.com
DUO
Expand storage for your Apple devices and computers. Easily transfer files, back up contacts, and play media directly from the device. Free up space on your iPhone and iPad with this versatile storage solution.
- Expand iPhone/iPad storage
- USB and Lightning connectors
- Contact backup and restore
- Independent music/video playback
- Stream 1080p videos
- File management
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DUO-LINK/DUO-LINK R is a multi-functional storage device for Mac, PC, iPad, iPhone, and iPod touch. Duo-Link has a standard USB interface and a lightning connector for iPhone and iPad. Free up space on your iPhone and iPad. Transfer and share files between your iPhone, iPad & Mac or PC quickly and easily. DUO-LINK Functions： ● Contact list backup and restore. ● Supports independent music and video playback. ● Stream 1080p videos directly from Duo-Link ● File management operations such as copy, delete, export etc. ● Browse files store on DUO-LINK Drive. ● Browse local files stored within Duo-Link App. ● Transfer media and files from iPhone to Duo-Link Drive. Compatibility： ● iPad, iPhone, iPod Touch with lightning connector running iOS version 8.0 or later. ● PCs running Windows XP, Windows 7, and Windows 8. ● Mac computers running Mac OS 10.5 or later.
Screenshots
Verdict
The clearest difference is review sentiment: Portable USB · Cloud Ready at 82% against DUO's 13%. Portable USB · Cloud Ready also leads on rating (4.2 vs 1.9). DUO's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume 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
Both are free to download. Portable USB · Cloud Ready sells 2 one-off in-app purchases. DUO asks for nothing beyond the download.
Portable USB · Cloud Ready holds the better App Store score, 4.2 against 1.9. Both are backed by a comparable volume of ratings — 59 and 52 respectively. Written reviews point the same way: 82% of Portable USB · Cloud Ready's written reviews are positive against 13% of DUO's.
Portable USB · Cloud Ready ships an update every 3 months, DUO every 5 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.
| Parameter | Portable USB · Cloud Ready | DUO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (59 ratings) — better | 1.9 (52 ratings) |
| Positive reviews | 81.6% of reviews — better | 12.7% of reviews |
| Number of ratings | 59 — better | 52 |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 炜 桂 | Gopod Group Limited |
Customer experience
Portable USB · Cloud Ready
DUO
Bugs and requests
Portable USB · Cloud Ready
Reported bugs
5 issues- USB to iPhone not registering
- Ads are unclosable due to placement
- Cannot sync with Dropbox
- Videos cannot be rotated to full screen
- Pictures organized in incorrect order
Requested features
6 requests- Option to see photos stored
- Thumbnail view for photos
- Smoother implementation
- Sync with Dropbox
- Option to check space available
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- Videos can be rotated to full screen
DUO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Portable USB · Cloud Ready
- Remove Ads$0.99
- Cloud Feature$2.99
DUO
No in-app purchases
