uDisk vs TetherX
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.
TetherX
This app provides unified monitoring and control of physical infrastructure, including video surveillance, access systems, and sensors. It offers real-time data, instant notifications, and secure management for professionals across various sites.
- Unified monitoring of video, sensors, and access
- Real-time sensor data and environmental monitoring
- Alarm status and instant push notifications
- Access control management
- Secure biometric authentication
- Fast, native performance
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TetherX puts your entire physical infrastructure at your fingertips. Monitor video surveillance, control access systems, track sensors, and manage alarms across all your sites from a single, beautifully designed app. UNIFIED MONITORING - Live video feeds from all your cameras - Real-time sensor data and environmental monitoring - Alarm status and instant notifications - Access control management POWERFUL FEATURES - Push notifications for critical alerts - Secure biometric authentication (Face ID / Touch ID) - Fast, native performance BUILT FOR PROFESSIONALS - Control room operators - Security managers - Facility managers - System integrators TetherX connects to your existing infrastructure through our secure gateway, giving you complete visibility and control whether you're on-site or on the go. Requires a TetherX account. Visit tetherx.io to learn more.
Screenshots
Verdict
The clearest difference is rating: TetherX at 5.0 against uDisk's 4.3. TetherX also leads on in-app purchases (none vs 1). uDisk's advantage is ratings volume (233 vs 3) and iOS requirement (11.0 vs 18.4). On price, review sentiment, update cadence and ads 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. TetherX asks for nothing beyond the download.
TetherX holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: uDisk has 233 ratings behind it against 3, 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 91% of TetherX's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.
| Parameter | uDisk | TetherX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (233 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 83.7% of reviews | 90.9% of reviews — better |
| Number of ratings | 233 — better | 3 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 20 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Brown Bear Technology Co., LTD | Tether Technology Ltd |
Customer experience
uDisk
TetherX
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
TetherX
Not enough reviews yet to summarise bugs or requests.
In-app purchases
uDisk
- Pro Version$3.99
TetherX
No in-app purchases
