# i vs Diskio

The clearest difference is price: i at Free against Diskio's $5.99. i also leads on ads (none vs shown) and ratings volume (83 vs 17). Diskio's advantage is rating (3.9 vs 2.1) and review sentiment (44% vs 10%). On in-app purchases there is nothing between them.

i is free to download; Diskio costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Diskio holds the better App Store score, 3.9 against 2.1. Both are backed by a comparable volume of ratings — 83 and 17 respectively. Written reviews point the same way: 10% of i's written reviews are positive against 44% of Diskio's.

i ships an update every 3 months, Diskio weekly. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | i | Diskio |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [2.1 (83 ratings)](https://appshunter.io/ios/app/i-usb-storer/id1079877477/reviews) | **[3.9 (17 ratings)](https://appshunter.io/ios/app/diskio-disk-and-ssd-speed-test/id6467768299/reviews)** |
| Number of ratings | **83** | 17 |
| Positive reviews | 9.9% of reviews | **44.4% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 30 MB | 9 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [裕雨 程](https://appshunter.io/developer/1079877476) | [Sergii Khliustin](https://appshunter.io/developer/1598605990) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-usb-storer/id1079877477)

Access and manage files on USB drives directly from your Apple device. Stream music, watch videos, and view photos stored on your USB flash drive. It also facilitates photo synchronization.

**Highlights:** Open USB Flash Drive files, Stream music, Watch videos, View photos, Sync photos, USB 3.0 card reader compatible

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient for transferring files
- 🚀 Fast file transfer between device and computer
- 💡 Useful for expanding storage on iOS devices
- 🔒 Secure data backup

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Compatibility issues with newer iOS versions
- 🐛 Unable to recognize external storage device
- 🐛 Buggy performance, files not transferring properly
- 👎 Poor user interface and language translation

**Reported bugs**

- App crashes when trying to export files
- External storage not detected by app
- Corrupted or lost data after file transfers
- Compatibility issues with iPhone X and newer models

**Requested features**

- Add support for landscape mode
- Improve video playback capabilities
- Allow for better file management and organization
- Provide option to change app language


### Diskio

[App page](https://appshunter.io/ios/app/diskio-disk-and-ssd-speed-test/id6467768299)

This utility app provides precise speed tests for all your storage devices, from internal iPhone storage to external USB drives. Customize test parameters for detailed insights and identify performance bottlenecks. It offers a simple three-step process to analyze your storage's true capabilities.

**Highlights:** Precise disk speed testing, Tests internal and external storage, Customizable test parameters, Simple three-step process, Universally compatible with iOS devices, Identifies performance bottlenecks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Diskio free?

Diskio costs $5.99, with no in-app purchases.

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

Diskio is rated higher. i averages 2.1 out of 5 from 83 ratings, while Diskio averages 3.9 from 17 ratings.

### Do i or Diskio have ads?

Diskio shows ads; i does not.

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

i ships an update every 3 months, and Diskio weekly. Most recently, i was updated on October 21, 2026 and Diskio on October 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.*