CO2 Modeller vs ColoredMath
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.
ColoredMath
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ColoredMath is a simple app allowing you to practice your calculation skills. For each skill (plus, minus, multiply, divide, or combinations thereof) you will have to go through multiple levels with increasing difficulty. Each level has 9 tasks, and you have up to 100 seconds to solve them.
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Verdict
The clearest difference is update cadence: ColoredMath at every 6 months against CO2 Modeller's every 36 months. CO2 Modeller's advantage is iOS requirement (12.1 vs 15.0). 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, ColoredMath every 6 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | CO2 Modeller | ColoredMath |
|---|---|---|
| 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 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Rogers | Sven Bergmann |
In-app purchases
CO2 Modeller
No in-app purchases
ColoredMath
No in-app purchases
Questions
Is CO2 Modeller free?
Is ColoredMath free?
Do CO2 Modeller or ColoredMath have ads?
Which is updated more often, CO2 Modeller or ColoredMath?
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