# Congress CO2 budget vs CCTrip

The clearest difference is update cadence: Congress CO2 budget at every 2 months against CCTrip's every 6 months. Congress CO2 budget also leads on device support (4 vs 2) and iOS requirement (15.6 vs 18.0). On price, 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.

Congress CO2 budget ships an update every 2 months, CCTrip every 6 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Congress CO2 budget | CCTrip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 1 MB | 12 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Université de Genève](https://appshunter.io/developer/532494133) | [Gilles Heraud](https://appshunter.io/developer/1791400718) |

## What reviewers say

### Congress CO2 budget

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

**Features:** Vision Pro support

**In-app purchases:** none


### CCTrip

[App page](https://appshunter.io/ios/app/cctrip/id6740746066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Congress CO2 budget free?

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

### Is CCTrip free?

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

### Do Congress CO2 budget or CCTrip have ads?

Neither Congress CO2 budget nor CCTrip shows ads.

### Which is updated more often, Congress CO2 budget or CCTrip?

Congress CO2 budget ships an update every 2 months, and CCTrip every 6 months. Most recently, Congress CO2 budget was updated on October 25, 2026 and CCTrip 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.*