CO2 Modeller vs CloudLabs Methane Synthesis
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.
CloudLabs Methane Synthesis
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This simulator recreates a chemistry laboratory with the necessary inputs to carry out the synthesis of methane: deionized water, zinc with a certain purity, chloroform and copper sulfate. In the laboratory you will find the necessary instruments for the development of this practice, such as: pipettes, test tubes, a beaker, test tubes or a lighter.
Screenshots
Verdict
The clearest difference is iOS requirement: CloudLabs Methane Synthesis at 9.0 against CO2 Modeller's 12.1. On price, update cadence, ads and in-app purchases 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, CloudLabs Methane Synthesis every 28 months. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.
| Parameter | CO2 Modeller | CloudLabs Methane Synthesis |
|---|---|---|
| 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 28 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 9.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Rogers | Jiovany Orozco |
In-app purchases
CO2 Modeller
No in-app purchases
CloudLabs Methane Synthesis
No in-app purchases
Questions
Is CO2 Modeller free?
Is CloudLabs Methane Synthesis free?
Do CO2 Modeller or CloudLabs Methane Synthesis have ads?
Which is updated more often, CO2 Modeller or CloudLabs Methane Synthesis?
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