# PKMap vs Devic 4.0

The clearest difference is update cadence: PKMap at monthly against Devic 4.0's every 6 months. Devic 4.0's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

PKMap ships an update monthly, Devic 4.0 every 6 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | PKMap | Devic 4.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | — |
| Size | 268 MB | 30 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Powerking Chiptuning](https://appshunter.io/developer/1513738417) | [Raffaele Rizza](https://appshunter.io/developer/1584977964) |

## What reviewers say

### PKMap

[App page](https://appshunter.io/ios/app/pkmap/id1515877333)

This app allows users to modify and manage PowerKing engine control units via Bluetooth. It intuitively recognizes connected models and offers flexible adjustments to parameters like fuel pressure, turbo pressure, and accelerator pedal response.

**Highlights:** Bluetooth connectivity for PowerKing ECUs, Automatic ECU model recognition, Adjustable fuel pressure, Adjustable turbo pressure, Adjustable accelerator pedal reactivity, Intuitive parameter modification

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


### Devic 4.0

[App page](https://appshunter.io/ios/app/devic-40/id6468361847)

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

**In-app purchases:** none


## Frequently asked questions

### Is PKMap free?

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

### Is Devic 4.0 free?

Devic 4.0 is free to download, with no in-app purchases.

### Do PKMap or Devic 4.0 have ads?

Neither PKMap nor Devic 4.0 shows ads.

### Which is updated more often, PKMap or Devic 4.0?

PKMap ships an update monthly, and Devic 4.0 every 6 months. Most recently, PKMap was updated on November 13, 2026 and Devic 4.0 on November 7, 2026.

---

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