CO2 Modeller vs myThaw
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CO2 Modeller
Simulate the impact of reducing carbon emissions on climate change. This app generates projections for atmospheric CO2 concentration, global warming, sea level rise, and ocean acidification.
- Model carbon emission reductions
- Simulate climate change effects
- Project CO2 concentration
- Estimate global warming
- Predict sea level rise
- Analyze ocean acidification
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Model the effect of carbon emissions reductions on climate change using your smartphone or tablet. CO2 Modeller uses a streamlined computationally efficient Earth system model to simulate the effect of carbon emissions reductions on climate change. It generates twenty-first century projections of atmospheric carbon dioxide concentration and global averages of surface warming, sea level rise and ocean acidification.
myThaw
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Obtain and share data information with other T-MOSAiC users and help us improve knowledge of permafrost thaw in the Arctic. Let's put science into action and build up a community permafrost thaw dataset produced by us - the users of this app. All information can be provided anonymously and will be published in the O2A database at the Alfred-Wegener-Institute for Polar and Marine Research, Germany.
Screenshots
Verdict
The clearest difference is update cadence: myThaw at every 2 months against CO2 Modeller's every 36 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CO2 Modeller ships an update every 36 months, myThaw every 2 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.
| Parameter | CO2 Modeller | myThaw |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 36 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Rogers | Alfred-Wegener-Institut |
In-app purchases
CO2 Modeller
No in-app purchases
myThaw
No in-app purchases









