# CO2 Modeller — user reviews

> 4 indexed App Store user reviews of CO2 Modeller by Alex Rogers, rated 2.50/5 from 2 ratings.

- Source: https://appshunter.io/ios/app/co2-modeller/id1037101261/reviews
- App overview in markdown: https://appshunter.io/ios/app/co2-modeller/id1037101261.md
- Rating breakdown: 5★ 0 · 4★ 1 · 3★ 0 · 2★ 0 · 1★ 1

## Most critical reviews (4 lowest-rated)

### 1/5 — App crashes on tap (ios14/iPhone 12)

*2021-07-16, version 1.1.0*

App doesn’t work, back to Xcode it goes perhaps?

### 4/5 — Please Read

*2024-09-19, version 1.1.1*

I Don’t Like How I Can’t Change To 1990 Please Fix This Or I Never Play It Ever Again

### 5/5 — Great! Easy to use!

*2015-11-25, version 1.0*

Great educational app, very easy to use and straight forward. Allows you to map CO2 emissions right in front of your eyes! Very intuitive and well designed! Brilliant!

### 5/5 — Review

*2015-11-25, version 1.0*

Very good, educational app, was very informative and intuitive. Allowed for ease of access and to assess co2 emissions policies with simple touches and the palm of my hand.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*