uDisk vs Gigastone i
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
Read full descriptionHide full description
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.
Gigastone i
Manage, store, and transfer files between your iOS devices and computers. Stream audio and video directly from external storage without using device capacity. Features include a document viewer, file manager, voice recorder, and text editor.
- Direct audio/video playback from external storage
- File management and transfer
- Document viewer
- Voice recorder
- Text editor
- Clipboard pasting for text and images
Read full descriptionHide full description
Features: 1. Play audio files directly from the i-FlashDrive accessory without taking capacity from your iOS devices. 2. Play video files directly from the i-FlashDrive app accessory without taking capacity from your iOS devices. 3. Paste from Clipboard. Select text in Safari or email, copy and paste in i-FlashDrive app into a single text file, or from Camera Roll, copy and paste in i-FlashDrive app as image files. i-FlashDrive allows you to store, view and manage files on your iPad, iPhone or iPod touch. Exchange files between your iOS devices and Mac/PC. i-FlashDrive features document viewer, file manager, voice recorder, text editor and other features. i-FlashDrive also supports many file management operations: i.e. copy, mode, delete, share and more. Supported File Formats: Document: Pages, Numbers, Keynote, doc, docx, xls, xlsx, ppt, pptx, rtf, txt, html, pdf Image: jpg, png, bmp, gif, tif, tiff, ico, xbm, cur Audio: mp3, aac, m4a, aif, aiff, wav, caf, FLAC Video: mp4, mov, m4v (without DRM), mkv, avi, flv, rm, rmvb, wmv, vob, 3gp Other: zip
Screenshots
Verdict
The clearest difference is review sentiment: uDisk at 84% against Gigastone i's 19%. uDisk also leads on rating (4.3 vs 2.5) and ratings volume (248 vs 40). Gigastone i's advantage is in-app purchases (none vs 1). On price, update cadence, 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. Gigastone i asks for nothing beyond the download.
uDisk holds the better App Store score, 4.3 against 2.5. That said, the two scores are not equally well evidenced: uDisk has 248 ratings behind it against 40, 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 19% of Gigastone i's.
uDisk ships an update every 2 months, Gigastone i every 5 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | uDisk | Gigastone i |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (248 ratings) — better | 2.5 (40 ratings) |
| Positive reviews | 83.8% of reviews — better | 18.9% of reviews |
| Number of ratings | 248 — better | 40 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| 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 | 10.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 205 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Brown Bear Technology Co., LTD | PhotoFast Global Inc. |
Customer experience
uDisk
Gigastone i
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
Show 1 moreShow fewer
- 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
Gigastone i
Not enough reviews yet to summarise bugs or requests.
In-app purchases
uDisk
- Pro Version$3.99
Gigastone i
No in-app purchases









