Comparison

uDisk vs Y

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

Y

Manage files on a USB drive directly from your iPhone. Back up photos and contacts, save media taken on your phone to the USB, and play content from the drive on your device. Expand your iPhone's storage capacity easily.

Highlights
  • USB disk management for iPhone
  • Back up photos and contacts
  • Save photos/videos directly to USB
  • Play media from USB on iPhone
  • View classified folders
  • File management and search
Read full description

Y-Disk Designed for you! Y-Disk is the management software for USB disk made for iPhone. With Y-Dish APP, you can back up your photos and contacts from your iPhone easily. Also, your pictures and video taken by the iPhone can be saved to the USB disk directly. And your pictures, video and music saved in the USB Disk can also be played at the iPhone. The limited capacity of the phone is not a problem to you. Functions of the Y-Disk: 1, View classified folders. While check in the APP, you can find the photos, videos, music and folders from your phone or USB Disk. Y-Disk can support different files in different format, like pictures in gif, videos in mkv, audio in m4a, word, PPT ect. 2, File management With Y-Disk APP, you can management your folders from USB Disk. Also, the APP can support different file arrangement and quick search of your folders, so that you can find what you need quickly. Y-Dish App will be the useful tools to your work. 3, Save pictures taken by phone direct in your USB Disk. With Y-Disk App, you can save pictures and video taken by phone, without taken your phone capacity. You can take pictures and videos at any time, even if your phone capacity is limited. 4, Back up photos and contacts With Y-disk App, you can back up your precious photos and contact lists even if insufficient storage space in iCloud. This is safe with your privacy. All your dates are under double protection with our USB Disk.

Screenshots

uDisk4 screens
Y3 screens

Verdict

The call

The clearest difference is review sentiment: uDisk at 84% against Y's 9%. uDisk also leads on rating (4.3 vs 2.0). Y's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. uDisk sells 1 one-off in-app purchase. Y asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

uDisk holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Y has 1.7K ratings behind it against 233, 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 9% of Y's.

UpkeepUpdate frequency

uDisk ships an update every 2 months, Y every 3 weeks. The most recent releases landed on September 25, 2026 and September 27, 2026 respectively.

Scorecard7 real differences · 3 level
uDisk versus Y: the parameters behind the verdict, then further details
ParameteruDiskY
PriceFreeFree
Rating4.3 (233 ratings) — better2.0 (1.7K ratings)
Positive reviews83.7% of reviews — better9.0% of reviews
Number of ratings2331.7K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.08.0 — better
Further details — not scored
Size20 MB29 MB
Age rating4+4+
DeveloperShenzhen Brown Bear Technology Co., LTDShenzhen Dianzhui Culture Technology Co., Ltd.

Customer experience

uDisk

All ratings233 ratings
Positive82.8%
Neutral4.7%
Negative12.4%
Written reviews104 reviews
Positive83.7%
Neutral4.8%
Negative11.5%

Y

All ratings1,684 ratings
Positive20.9%
Neutral6.5%
Negative72.6%
Written reviews1,816 reviews
Positive9.0%
Neutral5.7%
Negative85.4%

User reviews

uDisk

From 233 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Fast transfer
  • 👍 Good for organizing files
  • 👍 Useful for freeing up phone space
  • 👍 Versatile and durable

Room to improve

  • 🐛 Does not work for some users
  • 🐛 App requires download to each device
  • 🐛 Cannot rotate screen
  • 🐛 Does not work as a standalone flash drive
  • 🐛 Limited file transfer capability

Y

From 1.7K App Store ratings

What we love

  • 🚀 Fast and efficient
  • 👍 Easy to use
  • 💡 Useful for backing up photos and videos

Room to improve

  • 🐛 Frequent crashes and glitches
  • 🔌 Unreliable USB connection
  • 📂 Issues with file management and organization
  • 🔍 Lack of visibility for file names and metadata

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 more
  • 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

Y

Reported bugs

3 issues
  • App not recognizing USB drive
  • Corrupted or missing files after transfer
  • Incorrect date/time stamps on transferred files

Requested features

4 requests
  • Add option to select multiple files at once
  • Improve video playback functionality
  • Provide better support for file formats and codecs
  • Allow customization of file/folder structure

In-app purchases

1 purchases

uDisk

One-time1
  • Pro Version$3.99
None

Y

No in-app purchases

Questions

Is uDisk free?
uDisk is free to download, with in-app purchases available.
Is Y free?
Y is free to download, with no in-app purchases.
Which has better reviews, uDisk or Y?
uDisk is rated higher. uDisk averages 4.3 out of 5 from 233 ratings, while Y averages 2.0 from 1.7K ratings.
Do uDisk or Y have ads?
Neither uDisk nor Y shows ads.
Which is updated more often, uDisk or Y?
uDisk ships an update every 2 months, and Y every 3 weeks. Most recently, uDisk was updated on September 25, 2026 and Y on September 27, 2026.

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