# GPROP Guard vs ECU Map Switcher by D

The clearest difference is device support: GPROP Guard at 3 against ECU Map Switcher by D's 1. GPROP Guard also leads on iOS requirement (13.0 vs 17.0). 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.

## The numbers

| Metric | GPROP Guard | ECU Map Switcher by D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 25 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GPROP Systems Sdn Bhd](https://appshunter.io/developer/1470384585) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### GPROP Guard

[App page](https://appshunter.io/ios/app/gprop-guard/id6753747452)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECU Map Switcher by D

[App page](https://appshunter.io/ios/app/ecu-map-switcher-by-d-sync/id6761521552)

**In-app purchases:** none


## Frequently asked questions

### Is GPROP Guard free?

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

### Is ECU Map Switcher by D free?

ECU Map Switcher by D is free to download, with no in-app purchases.

### Do GPROP Guard or ECU Map Switcher by D have ads?

Neither GPROP Guard nor ECU Map Switcher by D shows ads.

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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.*