# izuozan vs ELMCheck

The clearest difference is in-app purchases: izuozan at none against ELMCheck's 1. izuozan also leads on iOS requirement (15.0 vs 18). ELMCheck's advantage is update cadence (every 10 days vs every 12 months). On price, ads and device support there is nothing between them.

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

izuozan ships an update every 12 months, ELMCheck every 10 days. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | izuozan | ELMCheck |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 95 MB | 6 MB |
| Requires iOS | **15.0** | 18 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 4+ |
| Developer | [ChengDu Pengta Network Technology Co.Ltd](https://appshunter.io/developer/1269440615) | [Fearless design, LLC](https://appshunter.io/developer/321056993) |

## What reviewers say

### izuozan

[App page](https://appshunter.io/ios/app/izuozan/id6445960446)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is izuozan free?

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

### Is ELMCheck free?

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

### Do izuozan or ELMCheck have ads?

Neither izuozan nor ELMCheck shows ads.

### Which is updated more often, izuozan or ELMCheck?

izuozan ships an update every 12 months, and ELMCheck every 10 days. Most recently, izuozan was updated on October 13, 2026 and ELMCheck on October 3, 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.*