CO2 Modeller vs CFWC
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.
CFWC
Stay connected with your church community. Access past messages, receive important updates via notifications, and share content easily. Download messages for offline listening.
- Watch or listen to past messages
- Receive push notifications
- Share messages via social media/email
- Download messages for offline listening
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This app will help you stay connected with the day-to-day life of our church. With this app you can: watch or listen to past messages; stay up to date with push notifications; share your favorite messages via Twitter, Facebook, or email; and download messages for offline listening. Mobile app version: 6.24.2
Screenshots
Verdict
The clearest difference is rating: CFWC at 5.0 against CO2 Modeller's 2.5. CFWC also leads on update cadence (every 4 months vs every 36 months). CO2 Modeller's advantage is iOS requirement (12.1 vs 15.1). On price, ratings volume, 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.
CFWC holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
CO2 Modeller ships an update every 36 months, CFWC every 4 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | CO2 Modeller | CFWC |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 36 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple TV — better |
| Requires iOS | 12.1 — better | 15.1 |
| Further details — not scored | ||
| Size | 9 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Rogers | chowchilla family Worship center |
Customer experience
CO2 Modeller
CFWC
In-app purchases
CO2 Modeller
No in-app purchases
CFWC
No in-app purchases
