# i vs Y

The clearest difference is ratings volume: Y at 1.7K against i's 419. On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 2.1 for i against 2.0 for Y. Both are backed by a comparable volume of ratings — 419 and 1.7K respectively. Written reviews split almost evenly too, at 10% and 9% positive.

i ships an update monthly, Y every 3 weeks. The most recent releases landed on September 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | i | Y |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (419 ratings)](https://appshunter.io/ios/app/i-flashdevice-hd/id1098089751/reviews)** | [2.0 (1.7K ratings)](https://appshunter.io/ios/app/y-disk/id1181458364/reviews) |
| Number of ratings | 419 | **1.7K** |
| Positive reviews | **9.8% of reviews** | 9.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 74 MB | 29 MB |
| Requires iOS | 8.0 | 8.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen 0101 technology Co.,Ltd](https://appshunter.io/developer/994444596) | [Shenzhen Dianzhui Culture Technology Co., Ltd.](https://appshunter.io/developer/1529082388) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-flashdevice-hd/id1098089751)

Easily manage files on a USB drive connected via a wired connection. Back up and restore photos and contacts directly to and from the USB drive without needing a network connection.

**Highlights:** Connect to USB drive, File management, Photo album backup, Photo album restore, Contact backup, Contact restore, Offline backup

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Convenient for transferring photos/videos
- 👍 Works well with iPhone and iPad

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🔌 Unreliable connection with device
- 🤯 Confusing and unintuitive interface
- 🤔 Limited functionality compared to claims

**Reported bugs**

- Device not recognized or shown as offline
- Corrupted or lost files during transfer
- Compatibility issues with newer iOS versions

**Requested features**

- Ability to create folders and organize files
- Support for more file types beyond photos/videos
- Improved stability and reliability


### Y

[App page](https://appshunter.io/ios/app/y-disk/id1181458364)

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

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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


## Frequently asked 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 2.1 out of 5 from 419 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 monthly, and Y every 3 weeks. Most recently, i was updated on September 18, 2026 and Y on September 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*