# iData Air vs U8

The clearest difference is rating: U8 at 4.1 against iData Air's 3.0. iData Air's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

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

U8 holds the better App Store score, 4.1 against 3.0. Both are backed by a comparable volume of ratings — 5 and 10 respectively.

iData Air ships an update every 2 months, U8 every 6 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iData Air | U8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (5 ratings)](https://appshunter.io/ios/app/idata-air/id1094616252/reviews) | **[4.1 (10 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** |
| Number of ratings | 5 | **10** |
| Positive reviews | — | 64.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 26 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hali-power Industrial CO., LTD](https://appshunter.io/developer/448145465) | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) |

## What reviewers say

### iData Air

[App page](https://appshunter.io/ios/app/idata-air/id1094616252)

Wirelessly save and transfer photos, videos, and files to and from your iOS device. Keep your data secure and accessible on the go for easy sharing with others.

**Highlights:** Wireless file transfer, Save and transfer pictures, Save and transfer video, Save and transfer other files, Secure data storage, Easy file sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is iData Air free?

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

### Is U8 free?

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

### Which has better reviews, iData Air or U8?

U8 is rated higher. iData Air averages 3.0 out of 5 from 5 ratings, while U8 averages 4.1 from 10 ratings.

### Do iData Air or U8 have ads?

U8 shows ads; iData Air does not.

### Which is updated more often, iData Air or U8?

iData Air ships an update every 2 months, and U8 every 6 weeks. Most recently, iData Air was updated on October 29, 2026 and U8 on October 24, 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.*