uDisk vs Xtra Drive
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uDisk
Transform your iOS device into a portable USB drive. Easily transfer files between your device and computer via Wi-Fi or iTunes. Browse, play, and edit various file types directly on your phone or tablet.
- Use iOS device as USB disk
- Wi-Fi file transfer
- iTunes File Sharing
- Browse various file types
- Play music and video
- Edit text files
- Create directories and sort files
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Let your iOS device become a USB disk ! You can use it to transfer files between iOS device and computer by Wifi or iTunes File Sharing. The uDisk support various files browse, music and video play, and text file editing. Tap the toolbar buttons you can view the wifi address, create a directory, sort the files, and change the view mode. Long press the file item, you can move, rename, email and delete the file. Enjoy it ! If any question and suggestion, please contact czh0766@163.com.
Xtra Drive
This app acts as a portable external storage device for your Apple devices. It allows you to back up files and free up valuable phone space without needing cloud services or syncing.
- External storage for iPhone, iPad, iPod
- Backup files directly
- Free up phone space
- No cloud syncing required
- Aircraft aluminum construction
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Forget saving to the cloud. Save your memories as they happen from your iPhone, iPad or Apple Lightning devices. Naztech’s Xtra Drive is like an external hard drive for your pocket! Laser crafted from aircraft aluminum, Xtra Drive can be used to safely backup your files and keep valuable phone space free. Transfer files with a flip of the switch. No Syncing Required!
Screenshots
Verdict
The clearest difference is rating: uDisk at 4.3 against Xtra Drive's 3.2. uDisk also leads on review sentiment (84% vs 62%) and ratings volume (233 vs 6). Xtra Drive's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 11.0). On price, ads 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. uDisk sells 1 one-off in-app purchase. Xtra Drive asks for nothing beyond the download.
uDisk holds the better App Store score, 4.3 against 3.2. That said, the two scores are not equally well evidenced: uDisk has 233 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 84% of uDisk's written reviews are positive against 62% of Xtra Drive's.
uDisk ships an update every 2 months, Xtra Drive every 4 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.
| Parameter | uDisk | Xtra Drive |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (233 ratings) — better | 3.2 (6 ratings) |
| Positive reviews | 83.7% of reviews — better | 61.5% of reviews |
| Number of ratings | 233 — better | 6 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Brown Bear Technology Co., LTD | Hypercel Corporation |
Customer experience
uDisk
Xtra Drive
Bugs and requests
uDisk
Reported bugs
6 issues- Cannot save files manually
- Material does not always show
- Does not work after initial use
- Cannot rotate screen
- Does not transfer videos from phone
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- No permissions requested for file access
Requested features
2 requests- App should be pre-loaded on the thumbdrive
- More clarity on app functionality and safety
Xtra Drive
Not enough reviews yet to summarise bugs or requests.
In-app purchases
uDisk
- Pro Version$3.99
Xtra Drive
No in-app purchases
