# USB TPMS vs U8

The clearest difference is rating: U8 at 4.0 against USB TPMS's 1.0. U8 also leads on ratings volume (9 vs 1). USB TPMS's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

U8 holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: U8 has 9 ratings behind it against 1, so its average is the more settled of the two.

USB TPMS ships an update every 3 weeks, U8 every 6 weeks. The most recent releases landed on June 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | USB TPMS | U8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/usb-tpms/id1475728273/reviews) | **[4.0 (9 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 64.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 83 MB | 26 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Orange electronic](https://appshunter.io/developer/506278411) | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) |

## What reviewers say

### USB TPMS

[App page](https://appshunter.io/ios/app/usb-tpms/id1475728273)

This utility software allows you to program and replace the ID numbers of car tire pressure sensors. It uses Bluetooth for communication and requires a specific hardware device from the manufacturer. You can scan QR codes or manually enter IDs for sensor programming and copying.

**Highlights:** Program car tire sensors, Replace sensor ID numbers, Bluetooth wireless communication, QR code ID scanning, Manual ID input, Sensor ID copying

**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 USB TPMS free?

USB TPMS 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, USB TPMS or U8?

U8 is rated higher. USB TPMS averages 1.0 out of 5 from 1 ratings, while U8 averages 4.0 from 9 ratings.

### Do USB TPMS or U8 have ads?

Both USB TPMS and U8 show ads.

### Which is updated more often, USB TPMS or U8?

USB TPMS ships an update every 3 weeks, and U8 every 6 weeks. Most recently, USB TPMS was updated on June 24, 2026 and U8 on September 17, 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.*