# RacingLine PDM vs Haldex.Flash

The clearest difference is update cadence: Haldex.Flash at fortnightly against RacingLine PDM's every 5 weeks. RacingLine PDM's advantage is iOS requirement (12.2 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

RacingLine PDM ships an update every 5 weeks, Haldex.Flash fortnightly. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | RacingLine PDM | Haldex.Flash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/racingline-pdm/id6503079844/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 141 MB | 33 MB |
| Requires iOS | **12.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Racing Line Limited](https://appshunter.io/developer/1724045169) | [Mobile Flash Solutions Ltd](https://appshunter.io/developer/1683126213) |

## What reviewers say

### RacingLine PDM

[App page](https://appshunter.io/ios/app/racingline-pdm/id6503079844)

Manage, tune, and diagnose your VAG Group vehicle with this app. It offers Bluetooth connectivity for seamless ECU access and supports a wide range of Volkswagen and Audi Group cars. Regular updates ensure new features and compatibility.

**Highlights:** Vehicle management, ECU tuning, Diagnostics, Bluetooth connectivity, VAG Group vehicle support, Regular updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Haldex.Flash

[App page](https://appshunter.io/ios/app/haldexflash/id6789175049)

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

**In-app purchases:** none


## Frequently asked questions

### Is RacingLine PDM free?

RacingLine PDM is free to download, with no in-app purchases.

### Is Haldex.Flash free?

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

### Do RacingLine PDM or Haldex.Flash have ads?

Neither RacingLine PDM nor Haldex.Flash shows ads.

### Which is updated more often, RacingLine PDM or Haldex.Flash?

RacingLine PDM ships an update every 5 weeks, and Haldex.Flash fortnightly. Most recently, RacingLine PDM was updated on November 4, 2026 and Haldex.Flash on November 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*