uDisk vs 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
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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.
i
Expand your iPhone and iPad storage with a portable drive that offers universal content access. Transfer files, back up your camera roll, and manage media with ease, even without an internet connection. Supports a wide range of formats and offers robust security features.
- Bi-directional Lightning and USB connector
- Universal content access and portability
- Comprehensive media format support
- Camera Roll and Contacts backup
- File encryption
- Direct saving to flash drive
- UHD 4K video recording
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Overview The i-Memory features a bi-directional Lightning and USB connector for Apple iOS storage expansion with universal content access and portability. It is fully certified for iPhone, iPad, and iPod, allowing data transfer between them and PCs with plug and play ease. From songs to Ultra HD 4K files, users can move data free from network bandwidth or internet availability limitations. Even today, convenient and spacious physical storage is faster and more reliable than online storage, and works anywhere so you’re always in touch with content. Key Functions: 1. Comprehensive media format support The i-Memory supports nearly 40 popular media formats. For video, these include MOV, MP4, AVI, WMV, RMVB, and MKV, among others. All major audio standards are supported, alongside JPG, BMP, PNG, GIF and other image formats. i-Memory compatibility extends to the RAW file extension, leading to optimal content coverage and seamless access. 2. Camera Roll backup Keep snapping pics and capturing videos with your iPhone without worrying about on-device space running out. Quickly back up your entire Camera Roll to the i-Memory to free up capacity on your iPhone. This is especially useful while on vacation or at special events and whenever uploading to cloud storage isn’t feasible. The spacious i-Memory is there when you need it. 3. Intuitive content management We include the i-Memory app for user friendly management of all content stored on the UE710. The app works on iPhone, iPad, iPod, enabling access to documents, videos, music, and photos. Check available storage, copy, delete, rename, and preview content of videos and photos: all through a simple and fast interface. New Features: 1. One touch backup for Camera Roll / Contacts 2. Single file, multi-file, and folder-wide encryption 3. i-Memory Camera: - Save photos / videos directly to Flash drive - Built in multiple filters effects for photos - Up to UHD 4K (3840 x 2160) video recording 4. Subtitle format support: SRT, ASS, Sub 5. Support lossless Audio format: FLAC, APE, ALAC 6. RAW file preview and copy to device Camera Roll 7. Live Photos backup support on iOS 10 8. Support Chromecast for video / photo cast 9. Support AirPods music playback 10. App Lock: AI920 Flash Drive encryption via App
Screenshots
Verdict
The clearest difference is review sentiment: uDisk at 84% against i's 15%. uDisk also leads on rating (4.3 vs 2.8) and ratings volume (233 vs 23). 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. i asks for nothing beyond the download.
uDisk holds the better App Store score, 4.3 against 2.8. That said, the two scores are not equally well evidenced: uDisk has 233 ratings behind it against 23, 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 15% of i's.
uDisk ships an update every 2 months, i every 5 weeks. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.
| Parameter | uDisk | i |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (233 ratings) — better | 2.8 (23 ratings) |
| Positive reviews | 83.7% of reviews — better | 15.4% of reviews |
| Number of ratings | 233 — better | 23 |
| 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 | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Brown Bear Technology Co., LTD | ADATA Technology Co., Ltd. |
Customer experience
uDisk
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
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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
i
Not enough reviews yet to summarise bugs or requests.
In-app purchases
uDisk
- Pro Version$3.99
i
No in-app purchases








