# Calcolo Iva vs PKMap

The clearest difference is update cadence: Calcolo Iva at every 2 weeks against PKMap's monthly. 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.

Calcolo Iva ships an update every 2 weeks, PKMap monthly. The most recent releases landed on September 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Calcolo Iva | PKMap |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | — | Free |
| Size | 2 MB | 229 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Studio 09 di Stefano Grieco & C. S.N.C.](https://appshunter.io/developer/502867478) | [Fabio Iura](https://appshunter.io/developer/1513738417) |

## What reviewers say

### Calcolo Iva

[App page](https://appshunter.io/ios/app/calcolo-iva/id598632127)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is Calcolo Iva free?

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

### Is PKMap free?

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

### Do Calcolo Iva or PKMap have ads?

Neither Calcolo Iva nor PKMap shows ads.

### Which is updated more often, Calcolo Iva or PKMap?

Calcolo Iva ships an update every 2 weeks, and PKMap monthly. Most recently, Calcolo Iva was updated on September 26, 2026 and PKMap on October 9, 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.*