# Lambda Shield vs I'm Hero OBD2 Scanner

The clearest difference is iOS requirement: Lambda Shield at 13.0 against I'm Hero OBD2 Scanner's 17.0. 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.

## The numbers

| Metric | Lambda Shield | I'm Hero OBD2 Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 1 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bylund Automotive AB](https://appshunter.io/developer/1501303747) | [Ruslan Korennoy](https://appshunter.io/developer/1848795604) |

## What reviewers say

### Lambda Shield

[App page](https://appshunter.io/ios/app/lambda-shield/id1501303748)

**Features:** macOS Compatibility

**In-app purchases:** none


### I'm Hero OBD2 Scanner

[App page](https://appshunter.io/ios/app/im-hero-obd2-scanner/id6786429613)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lambda Shield free?

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

### Is I'm Hero OBD2 Scanner free?

I'm Hero OBD2 Scanner is free to download, with no in-app purchases.

### Do Lambda Shield or I'm Hero OBD2 Scanner have ads?

Neither Lambda Shield nor I'm Hero OBD2 Scanner 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.*