# ELMCheck vs AIOBD

The clearest difference is in-app purchases: AIOBD at none against ELMCheck's 1. AIOBD also leads on iOS requirement (11 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. ELMCheck sells 1 one-off in-app purchase. AIOBD asks for nothing beyond the download.

## The numbers

| Metric | ELMCheck | AIOBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elmcheck/id6479630442/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 19 MB |
| Requires iOS | 18 | **11** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fearless design, LLC](https://appshunter.io/developer/321056993) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## What reviewers say

### ELMCheck

[App page](https://appshunter.io/ios/app/elmcheck/id6479630442)

Verify the authenticity and functionality of your OBD-II scanner. This app runs comprehensive tests on ELM327 commands to report supported features, ensuring safe and reliable use with your vehicle.

**Highlights:** Authenticity testing for OBD-II scanners, Comprehensive ELM327 command test suite, Reports actual supported features, Ensures safe scanner usage, Basic tests are free, Unlock full suite with in-app purchase

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Comprehensive testing | $2.99 | one-time |


### AIOBD

[App page](https://appshunter.io/ios/app/aiobd/id6741761391)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ELMCheck free?

ELMCheck is free to download, with in-app purchases available.

### Is AIOBD free?

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

### Do ELMCheck or AIOBD have ads?

Neither ELMCheck nor AIOBD 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.*