# CMS EcoTrak vs Smart Scan

The clearest difference is iOS requirement: Smart Scan at 15.0 against CMS EcoTrak's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CMS EcoTrak ships an update every 3 months, Smart Scan every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | CMS EcoTrak | Smart Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 56 MB | 26 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CMS SupaTrak Ltd](https://appshunter.io/developer/1565174937) | [OnePercent](https://appshunter.io/developer/1536020418) |

## What reviewers say

### CMS EcoTrak

[App page](https://appshunter.io/ios/app/cms-ecotrak/id1584830834)

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

**In-app purchases:** none


### Smart Scan

[App page](https://appshunter.io/ios/app/smart-scan-onepercent/id6443488120)

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

**In-app purchases:** none


## Frequently asked questions

### Is CMS EcoTrak free?

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

### Is Smart Scan free?

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

### Do CMS EcoTrak or Smart Scan have ads?

Neither CMS EcoTrak nor Smart Scan shows ads.

### Which is updated more often, CMS EcoTrak or Smart Scan?

CMS EcoTrak ships an update every 3 months, and Smart Scan every 2 months. Most recently, CMS EcoTrak was updated on November 3, 2026 and Smart Scan on November 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.*