# xHP Flashtool vs GYEON App

The clearest difference is monetization model: GYEON App at free against xHP Flashtool's paid. GYEON App also leads on iOS requirement (11.0 vs 15.0). xHP Flashtool's advantage is update cadence (weekly vs every 3 months) and ratings volume (2.7K vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for xHP Flashtool against 5.0 for GYEON App. That said, the two scores are not equally well evidenced: xHP Flashtool has 2.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 94% of xHP Flashtool's written reviews are positive against 100% of GYEON App's.

xHP Flashtool ships an update weekly, GYEON App every 3 months. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | xHP Flashtool | GYEON App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (2.7K ratings)](https://appshunter.io/ios/app/xhp-flashtool/id1475112461/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gyeon-app/id1545941404/reviews)** |
| Number of ratings | **2.7K** | 1 |
| Positive reviews | 93.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 277 MB | 46 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [xAutomotive GmbH](https://appshunter.io/developer/1471996796) | [Innovative Chemicals Pte. Ltd.](https://appshunter.io/developer/1481191397) |

## What reviewers say

### xHP Flashtool

[App page](https://appshunter.io/ios/app/xhp-flashtool/id1475112461)

This app offers a complete tuning solution for ZF automatic and DCT transmissions. It allows users to customize their transmission's behavior, from smooth and comfortable to race-ready performance, directly from their Apple devices. Unlock the full potential of your vehicle's transmission.

**Highlights:** ZF transmission tuning, Customizable shift behavior, OTS map selection, DCT transmission support, iOS/iPadOS/Mac M1 compatibility, Multiple adapter options

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Improved performance and responsiveness
- 👍 Easy to use and customize
- 🔧 Excellent customer support
- 💥 Significant driving experience enhancement
- 🏎️ Faster and more responsive shifts

**What reviewers complain about**

- 🐛 Occasional connection issues
- 🔍 Compatibility concerns with newer vehicles
- 💰 Perceived high cost of license

**Reported bugs**

- App crashes during reflash process
- Inability to sign out of account with wrong email

**Requested features**

- Expand compatibility to more vehicle models
- Offer more affordable licensing options
- Implement demo/trial mode for potential users


### GYEON App

[App page](https://appshunter.io/ios/app/gyeon-app/id1545941404)

This app provides expert guidance on car detailing techniques, covering everything from proper washing and scratch removal to ceramic coating application and interior cleaning. Access exclusive tips and tricks to achieve professional results.

**Highlights:** Car washing techniques, Scratch removal guidance, Ceramic coating application, Interior cleaning tips, Exclusive how-to guides

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is xHP Flashtool free?

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

### Is GYEON App free?

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

### Which has better reviews, xHP Flashtool or GYEON App?

GYEON App is rated higher. xHP Flashtool averages 4.9 out of 5 from 2.7K ratings, while GYEON App averages 5.0 from 1 ratings.

### Do xHP Flashtool or GYEON App have ads?

Neither xHP Flashtool nor GYEON App shows ads.

### Which is updated more often, xHP Flashtool or GYEON App?

xHP Flashtool ships an update weekly, and GYEON App every 3 months. Most recently, xHP Flashtool was updated on October 17, 2026 and GYEON App on October 2, 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.*