# U8 vs OTG Flash Pro

The clearest difference is in-app purchases: OTG Flash Pro at none against U8's 1. OTG Flash Pro also leads on ads (none vs shown) and update cadence (every 10 days vs every 6 weeks). U8's advantage is iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. U8 sells 1 one-off in-app purchase. OTG Flash Pro asks for nothing beyond the download.

U8 ships an update every 6 weeks, OTG Flash Pro every 10 days. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | U8 | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 136 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## What reviewers say

### U8

[App page](https://appshunter.io/ios/app/u8-disk/id1554732742)

Transfer and back up any file wirelessly between your mobile devices and computers without using mobile data. Experience ultra-fast speeds for seamless file management and sharing across different platforms.

**Highlights:** Zero-flow wireless file transfer, Ultra-fast transmission speeds (up to 30MB/s), File backup and management, Cross-platform compatibility, Supports various file formats

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifeTime | $3.99 | one-time |


### OTG Flash Pro

[App page](https://appshunter.io/ios/app/otg-flash-pro/id6752880818)

**In-app purchases:** none


## Frequently asked questions

### Is U8 free?

U8 is free to download, with in-app purchases available.

### Is OTG Flash Pro free?

OTG Flash Pro is free to download, with no in-app purchases.

### Do U8 or OTG Flash Pro have ads?

U8 shows ads; OTG Flash Pro does not.

### Which is updated more often, U8 or OTG Flash Pro?

U8 ships an update every 6 weeks, and OTG Flash Pro every 10 days. Most recently, U8 was updated on September 17, 2026 and OTG Flash Pro on September 12, 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.*