# DragFX vs OBD2 Test (Potenza Drive)

The clearest difference is ads: DragFX at none against OBD2 Test (Potenza Drive)'s shown. DragFX also leads on iOS requirement (8.0 vs 16.6). OBD2 Test (Potenza Drive)'s advantage is update cadence (every 2 months vs every 6 months). On price, 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.

DragFX ships an update every 6 months, OBD2 Test (Potenza Drive) every 2 months. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DragFX | OBD2 Test (Potenza Drive) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (68 ratings)](https://appshunter.io/ios/app/dragfx/id515166329/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 53 MB | 27 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Q Continuum](https://appshunter.io/developer/305793337) | [Miguel Dias](https://appshunter.io/developer/1759765440) |

## What reviewers say

### DragFX

[App page](https://appshunter.io/ios/app/dragfx/id515166329)

Transform your car's exhaust sound to mimic powerful muscle cars in real-time. This app requires compatible hardware to sync with your vehicle's engine RPM, offering customizable sound effects like turbo blow-off valves and audible gear shift indicators. Enjoy enhanced engine sounds alongside your music.

**Highlights:** Real-time engine sound customization, Muscle car exhaust sound simulation, Turbo blow-off valve sound effects, Audible gear shift indicators, Music playback alongside engine sounds, Manual RPM control for sound preview

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

**In-app purchases:** none


### OBD2 Test (Potenza Drive)

[App page](https://appshunter.io/ios/app/obd2-test-potenza-drive/id6587583380)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DragFX free?

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

### Is OBD2 Test (Potenza Drive) free?

OBD2 Test (Potenza Drive) is free to download, with no in-app purchases.

### Do DragFX or OBD2 Test (Potenza Drive) have ads?

OBD2 Test (Potenza Drive) shows ads; DragFX does not.

### Which is updated more often, DragFX or OBD2 Test (Potenza Drive)?

DragFX ships an update every 6 months, and OBD2 Test (Potenza Drive) every 2 months. Most recently, DragFX was updated on October 22, 2026 and OBD2 Test (Potenza Drive) on October 8, 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.*