# Screw Conveyor vs U8

The clearest difference is price: U8 at Free against Screw Conveyor's $2.99. U8 also leads on update cadence (every 6 weeks vs every 56 months) and iOS requirement (12.0 vs 16.1). Screw Conveyor's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

U8 is free to download; Screw Conveyor costs $2.99 up front. U8 sells 1 one-off in-app purchase. Screw Conveyor asks for nothing beyond the download.

Screw Conveyor ships an update every 56 months, U8 every 6 weeks. The most recent releases landed on September 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Screw Conveyor | U8 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.1 (10 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 64.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 56 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 26 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) |

## What reviewers say

### Screw Conveyor

[App page](https://appshunter.io/ios/app/screw-conveyor/id1490694214)

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

**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 Screw Conveyor free?

Screw Conveyor costs $2.99, with no in-app purchases.

### Is U8 free?

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

### Do Screw Conveyor or U8 have ads?

U8 shows ads; Screw Conveyor does not.

### Which is updated more often, Screw Conveyor or U8?

Screw Conveyor ships an update every 56 months, and U8 every 6 weeks. Most recently, Screw Conveyor was updated on September 15, 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.*