# éCO2mix vs CRMID

The clearest difference is update cadence: éCO2mix at monthly against CRMID's every 4 months. CRMID's advantage is iOS requirement (12.2 vs 15.1). 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.

éCO2mix ships an update monthly, CRMID every 4 months. The most recent releases landed on October 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | éCO2mix | CRMID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/eco2mix-rte/id424593993/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 48 MB | 126 MB |
| Requires iOS | 15.1 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RTE Reseau de transport d'electricite](https://appshunter.io/developer/424593996) | [One ID](https://appshunter.io/developer/554623921) |

## What reviewers say

### éCO2mix

[App page](https://appshunter.io/ios/app/eco2mix-rte/id424593993)

This app provides real-time insights into the French electrical system, visualizing consumption trends, production sources, and greenhouse gas emissions. It aims to make complex energy data accessible to everyone, fostering better understanding and consumption habits.

**Highlights:** Visualize French electrical system data, Track consumption trends, Analyze production sources, Monitor greenhouse gas emissions, View regional data, Consult European market spot prices

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

**In-app purchases:** none


### CRMID

[App page](https://appshunter.io/ios/app/crmid/id6472703913)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is éCO2mix free?

éCO2mix is free to download, with no in-app purchases.

### Is CRMID free?

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

### Do éCO2mix or CRMID have ads?

Neither éCO2mix nor CRMID shows ads.

### Which is updated more often, éCO2mix or CRMID?

éCO2mix ships an update monthly, and CRMID every 4 months. Most recently, éCO2mix was updated on October 10, 2026 and CRMID on September 27, 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.*