# éCO2mix vs Chétoi

éCO2mix and Chétoi are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | éCO2mix | Chétoi |
| --- | --- | --- |
| 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 | Every 2 months | — |
| Monetization | Free | — |
| Size | 49 MB | 41 MB |
| Requires iOS | 15.1 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RTE Reseau de transport d'electricite](https://appshunter.io/developer/424593996) | [PMB Software](https://appshunter.io/developer/1527430843) |

## 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


### Chétoi

[App page](https://appshunter.io/ios/app/chetoi/id6738984817)

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

**In-app purchases:** none


## Frequently asked questions

### Is éCO2mix free?

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

### Is Chétoi free?

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

### Do éCO2mix or Chétoi have ads?

Neither éCO2mix nor Chétoi shows ads.

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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.*