# CMC vs EEC

The clearest difference is update cadence: EEC at every 2 days against CMC's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

CMC ships an update every 2 weeks, EEC every 2 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | CMC | EEC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 4 MB | 71 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BILANS-JR Sp. z o.o.](https://appshunter.io/developer/628458671) | [POLSKIE TOWARZYSTWO WSPIERANIA PRZEDSIEBIORCZOSCI SA](https://appshunter.io/developer/518246270) |

## What reviewers say

### CMC

[App page](https://appshunter.io/ios/app/cmc-oil-b2b/id1531866085)

**In-app purchases:** none


### EEC

[App page](https://appshunter.io/ios/app/eec/id6737546865)

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

**In-app purchases:** none


## Frequently asked questions

### Is CMC free?

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

### Is EEC free?

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

### Do CMC or EEC have ads?

Neither CMC nor EEC shows ads.

### Which is updated more often, CMC or EEC?

CMC ships an update every 2 weeks, and EEC every 2 days. Most recently, CMC was updated on October 1, 2026 and EEC on October 1, 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.*