# EPFL Panel Lémanique vs Congress CO2 budget

The clearest difference is device support: Congress CO2 budget at 4 against EPFL Panel Lémanique's 2. EPFL Panel Lémanique's advantage is iOS requirement (13.4 vs 15.6). 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.

EPFL Panel Lémanique ships an update every 3 months, Congress CO2 budget every 2 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EPFL Panel Lémanique | Congress CO2 budget |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 21 MB | 1 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [motiontag GmbH](https://appshunter.io/developer/1083164071) | [Université de Genève](https://appshunter.io/developer/532494133) |

## What reviewers say

### EPFL Panel Lémanique

[App page](https://appshunter.io/ios/app/epfl-panel-lemanique/id6445818032)

**In-app purchases:** none


### Congress CO2 budget

[App page](https://appshunter.io/ios/app/congress-co2-budget/id6450590075)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EPFL Panel Lémanique free?

EPFL Panel Lémanique is free to download, with no in-app purchases.

### Is Congress CO2 budget free?

Congress CO2 budget is free to download, with no in-app purchases.

### Do EPFL Panel Lémanique or Congress CO2 budget have ads?

Neither EPFL Panel Lémanique nor Congress CO2 budget shows ads.

### Which is updated more often, EPFL Panel Lémanique or Congress CO2 budget?

EPFL Panel Lémanique ships an update every 3 months, and Congress CO2 budget every 2 months. Most recently, EPFL Panel Lémanique was updated on October 30, 2026 and Congress CO2 budget on October 25, 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.*