Comparison

i vs Y

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

Head to head
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
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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;

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
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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

i2 screens
Y3 screens

Verdict

The call

The clearest difference is update cadence: Y at every 3 weeks against i's every 3 months. i's advantage is rating (2.3 vs 2.0). On price, review sentiment, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

i holds the better App Store score, 2.3 against 2.0. Both are backed by a comparable volume of ratings — 789 and 1.7K respectively. Written reviews point the same way: 15% of i's written reviews are positive against 9% of Y's.

UpkeepUpdate frequency

i ships an update every 3 months, Y every 3 weeks. The most recent releases landed on August 24, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 8 level
i versus Y: the parameters behind the verdict, then further details
ParameteriY
PriceFreeFree
Rating2.3 (789 ratings) — better2.0 (1.7K ratings)
Positive reviews15.0% of reviews — better9.0% of reviews
Number of ratings7891.7K — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.08.0
Further details — not scored
Size89 MB29 MB
Age rating4+4+
DeveloperShenZhen 0101 Technology Co.,LtdShenzhen Dianzhui Culture Technology Co., Ltd.

Customer experience

i

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

Y

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

User reviews

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

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

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

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

None

i

No in-app purchases

None

Y

No in-app purchases

Questions

Is i free?
i is free to download, with no in-app purchases.
Is Y free?
Y is free to download, with no in-app purchases.
Which has better reviews, i or Y?
i is rated higher. i averages 2.3 out of 5 from 789 ratings, while Y averages 2.0 from 1.7K ratings.
Do i or Y have ads?
Neither i nor Y shows ads.
Which is updated more often, i or Y?
i ships an update every 3 months, and Y every 3 weeks. Most recently, i was updated on August 24, 2026 and Y on September 28, 2026.

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