# Carbon Donut: act on climate — user reviews

> 1 indexed App Store user reviews of Carbon Donut by Spark Sustainability Ab, rated 4.00/5 from 10 ratings.

- Source: https://appshunter.io/ios/app/carbon-donut-act-on-climate/id1489241028/reviews
- App overview in markdown: https://appshunter.io/ios/app/carbon-donut-act-on-climate/id1489241028.md
- Rating breakdown: 5★ 5 · 4★ 2 · 3★ 1 · 2★ 2 · 1★ 0

## Most critical reviews (1 lowest-rated)

### 2/5 — Not ready for worldwide use

*2021-11-03, version 1.5.1*

I just read about this app in Conde Nast Traveler and checked it out. Having lived in Sweden for a while, I could tell the questions are very specific to the Nordic countries. Their calculations for things like electricity definitely don’t take into account someone like me living in California (where many cities are phasing out gas in favor of electricity, never mind we don’t use as much heat in many parts of the state). Nice idea, but not ready for worldwide use.

**Developer response:** Thank you for your feedback! As you said, the data we're using is based on Nordic conditions, as that is where most of our users are. We will add data and questions relevant for more countries in the future.

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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 2026-06-10.*