Comparison

uDisk vs i

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

i

Easily manage all your files on iOS devices. Transfer documents, photos, music, and videos between different devices and platforms. Offers backup for contacts and camera roll, and supports a wide range of file formats.

Highlights
  • File management for iOS
  • Cross-platform file exchange
  • Backup contacts and camera roll
  • Play videos and music
  • Preview images
  • Supports wide file formats
Read full description

The i-FlashDevice is the best way to manage all your files on iOS devices,Exchanges files with different devices & platforms with ease. 1.Backup Contacts and Camera Roll. 2.Play Videos,Musics. 3.Preview Images,World. Supported File Formats: Document:DOC,XLS,PPT,TXT,else; Image:JPG,JPEG,BMP,GIF,else; Audio:MP3,AAC,AIF,else; Video:MP4,MOV,MKV,AVI,FLV,RMVB,ELSE;

Screenshots

uDisk4 screens
i2 screens

Verdict

The call

The clearest difference is review sentiment: uDisk at 84% against i's 15%. uDisk also leads on rating (4.3 vs 2.3). i's advantage is in-app purchases (none vs 1) and ratings volume (789 vs 233). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

uDisk holds the better App Store score, 4.3 against 2.3. Both are backed by a comparable volume of ratings — 233 and 789 respectively. Written reviews point the same way: 84% of uDisk's written reviews are positive against 15% of i's.

UpkeepUpdate frequency

uDisk ships an update every 2 months, i every 3 months. The most recent releases landed on September 17, 2026 and August 24, 2026 respectively.

Scorecard6 real differences · 4 level
uDisk versus i: the parameters behind the verdict, then further details
ParameteruDiski
PriceFreeFree
Rating4.3 (233 ratings) — better2.3 (789 ratings)
Positive reviews83.7% of reviews — better15.0% of reviews
Number of ratings233789 — better
Update frequencyEvery 2 months — betterEvery 3 months
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 MB89 MB
Age rating4+4+
DeveloperShenzhen Brown Bear Technology Co., LTDShenZhen 0101 Technology Co.,Ltd

Customer experience

uDisk

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

i

All ratings787 ratings
Positive27.8%
Neutral8.0%
Negative64.2%
Written reviews214 reviews
Positive15.0%
Neutral5.1%
Negative79.9%

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

i

From 789 App Store ratings

What we love

  • ⭐ Cool app
  • 🚀 Able to transfer files directly
  • 📸 Can take photos/videos within the app
  • 🗄️ Useful for backing up files

Room to improve

  • 🐛 Crashes frequently
  • ⚠️ Doesn't work with newer devices/iOS versions
  • 🤖 Poor software quality and buggy
  • 🔌 Drains device battery quickly
  • 📂 Issues with file management and deletion

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

i

Reported bugs

4 issues
  • App crashes on launch
  • Unable to connect to device
  • Corrupted files after transfer
  • Inconsistent behavior when viewing media

Requested features

4 requests
  • Add support for more file types
  • Improve video playback functionality
  • Provide better instructions and troubleshooting
  • Optimize app for latest iOS versions

In-app purchases

1 purchases

uDisk

One-time1
  • Pro Version$3.99
None

i

No in-app purchases

Questions

Is uDisk free?
uDisk is free to download, with in-app purchases available.
Is i free?
i is free to download, with no in-app purchases.
Which has better reviews, uDisk or i?
uDisk is rated higher. uDisk averages 4.3 out of 5 from 233 ratings, while i averages 2.3 from 789 ratings.
Do uDisk or i have ads?
Neither uDisk nor i shows ads.
Which is updated more often, uDisk or i?
uDisk ships an update every 2 months, and i every 3 months. Most recently, uDisk was updated on September 17, 2026 and i on August 24, 2026.

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