# CMS SCAN vs KTMechanic

The clearest difference is in-app purchases: CMS SCAN at none against KTMechanic's 2. CMS SCAN also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. KTMechanic sells 2 in-app purchases, starting at $1.99 per month. CMS SCAN asks for nothing beyond the download.

CMS SCAN ships an update every 8 months, KTMechanic every 4 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CMS SCAN | KTMechanic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Size | 33 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chois Technology](https://appshunter.io/developer/412843396) | [Maxime CHEVALIER](https://appshunter.io/developer/466399814) |

## What reviewers say

### CMS SCAN

[App page](https://appshunter.io/ios/app/cms-scan/id6450800818)

**In-app purchases:** none


### KTMechanic

[App page](https://appshunter.io/ios/app/ktmechanic/id6469418655)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KTMechanic Premium – Monthly | $1.99 | per month |
| KTMechanic Premium – Annual | $9.99 | per year |


## Frequently asked questions

### Is CMS SCAN free?

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

### Is KTMechanic free?

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

### Do CMS SCAN or KTMechanic have ads?

Neither CMS SCAN nor KTMechanic shows ads.

### Which is updated more often, CMS SCAN or KTMechanic?

CMS SCAN ships an update every 8 months, and KTMechanic every 4 months. Most recently, CMS SCAN was updated on October 8, 2026 and KTMechanic on October 9, 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.*