# i vs I

The clearest difference is rating: I at 5.0 against i's 4.0. I also leads on review sentiment (50% vs 18%) and update cadence (every 9 days vs every 3 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

I holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 18% of i's written reviews are positive against 50% of I's.

i ships an update every 3 weeks, I every 9 days. The most recent releases landed on September 18, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | i | I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/i-reader/id1146366759/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/i-usbkey-pro/id1258469579/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 18.2% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 98 MB | 40 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) | [zhong qibiao](https://appshunter.io/developer/1118837284) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-reader/id1146366759)

Manage all your files on iOS devices with this app. Easily exchange files between different devices and platforms, and play various media formats. It also supports backing up contacts and your camera roll.

**Highlights:** File management on iOS, Cross-device file exchange, Contact and camera roll backup, Video and music playback, Image and document preview, Support for multiple file formats

**Features:** macOS Compatibility

**In-app purchases:** none


### I

[App page](https://appshunter.io/ios/app/i-usbkey-pro/id1258469579)

Manage all your files on iOS devices with ease. This app allows you to exchange files between different devices and platforms, back up contacts and camera roll, and play media directly from your device. It supports a wide range of document, image, audio, and video file formats.

**Highlights:** File management for iOS devices, Cross-device file exchange, Contact and camera roll backup, Video and music playback, Image and document preview, Support for various file formats

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

i is free to download, with no in-app purchases.

### Is I free?

I is free to download, with no in-app purchases.

### Which has better reviews, i or I?

I is rated higher. i averages 4.0 out of 5 from 2 ratings, while I averages 5.0 from 5 ratings.

### Do i or I have ads?

Neither i nor I shows ads.

### Which is updated more often, i or I?

i ships an update every 3 weeks, and I every 9 days. Most recently, i was updated on September 18, 2026 and I on June 4, 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.*