uDisk vs OTG Flash Pro
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.
OTG Flash Pro
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OTG Flash Pro helps you easily manage files on your USB drive, classify and view files, and backup and restore photo albums and contacts for you.
Screenshots
Verdict
The clearest difference is in-app purchases: OTG Flash Pro at none against uDisk's 1. OTG Flash Pro also leads on update cadence (every 10 days vs every 2 months). uDisk's advantage is iOS requirement (11.0 vs 14.0). 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. OTG Flash Pro asks for nothing beyond the download.
uDisk ships an update every 2 months, OTG Flash Pro every 10 days. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.
| Parameter | uDisk | OTG Flash Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (233 ratings) — better | — |
| Positive reviews | 83.7% of reviews | — |
| Number of ratings | 233 — better | — |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 20 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Brown Bear Technology Co., LTD | 裕雨 程 |
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
OTG Flash Pro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
uDisk
- Pro Version$3.99
OTG Flash Pro
No in-app purchases
Questions
Is uDisk free?
Is OTG Flash Pro free?
Do uDisk or OTG Flash Pro have ads?
Which is updated more often, uDisk or OTG Flash Pro?
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