# Check Engine Chat vs EngineScan AI

The clearest difference is ads: Check Engine Chat at none against EngineScan AI's shown. EngineScan AI's advantage is iOS requirement (15.0 vs 26.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Check Engine Chat sells 1 one-off in-app purchase and EngineScan AI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Check Engine Chat ships an update fortnightly, EngineScan AI every 3 weeks. The most recent releases landed on September 10, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Check Engine Chat | EngineScan AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/enginescan-ai/id6760994345/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 2.7 GB | 37 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yao Vah Saechao](https://appshunter.io/developer/1845021267) | [Fuat yahsi](https://appshunter.io/developer/1887186309) |

## What reviewers say

### Check Engine Chat

[App page](https://appshunter.io/ios/app/check-engine-chat/id6755978445)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Diagnostics Pro | $4.99 | one-time |


### EngineScan AI

[App page](https://appshunter.io/ios/app/enginescan-ai/id6760994345)

Analyze your vehicle's engine health by recording its sound. This AI-powered tool provides a basic diagnosis and can unlock deeper repair insights with an optional premium report. It also helps manage vehicle maintenance and find service locations.

**Highlights:** AI engine sound analysis, Basic diagnosis with rewarded ads, Unlockable Premium Report, Scan history, Vehicle maintenance reminders, Find nearby service locations, Shareable PDF reports

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Report | $2.99 | one-time |


## Frequently asked questions

### Is Check Engine Chat free?

Check Engine Chat is free to download, with in-app purchases available.

### Is EngineScan AI free?

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

### Do Check Engine Chat or EngineScan AI have ads?

EngineScan AI shows ads; Check Engine Chat does not.

### Which is updated more often, Check Engine Chat or EngineScan AI?

Check Engine Chat ships an update fortnightly, and EngineScan AI every 3 weeks. Most recently, Check Engine Chat was updated on September 10, 2026 and EngineScan AI on August 31, 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.*