NMF.earth vs CO₂ Aware
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NMF.earth
Track and decrease your environmental impact by understanding your carbon footprint. Set personal emission goals and monitor your progress monthly to stay within your budget.
- Calculate CO2 emissions
- Define carbon budget
- Track monthly limits
- Reduce carbon footprint
- Actionable insights
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Understand and reduce your carbon footprint. Define your carbon budget and take action to stay on track with your monthly limits.
CO₂ Aware
This app encourages daily actions to combat climate change with a growing interactive tree visualization. It offers environmental news and integrates with Apple Health to promote walking, helping users reduce their carbon footprint.
- Daily climate action tracking
- Interactive growing tree visualization
- Environmental news abstracts and links
- Apple Health integration for step tracking
- Photo record of completed actions
- Reminder of past accomplishments
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Leaving a smaller footprint requires change. CO₂ Aware is a high school student project focuses on small, daily actions that individuals can take to enable great change. People of today believe in technology, and we believe technology can also help mitigate the problem of climate change. This app includes dozens of essential actions that help you to be aware of climate change. An interactive tree is visible on the home page. As you complete more actions, it grows. This visualization allows you to experience tangibly and profoundly what you contribute to a better environment. Furthermore, you can take a picture when they complete an action, which serves as a record of your contribution. A section on the front page also shows a random action completed in the past, reminding your past accomplishments. Beyond actions, CO2 Aware also provides abstracts and links to high-quality news articles from renowned sources that allow you to acquire environmental knowledge. This app integrates with Apple Health on your iPhone in order to acquire your steps data and encourage you to walk. This helps reduce physical inactivity and prevents air pollution. We do not upload or analyze any data. We will be adding more thrilling features in the future. Just wait and see! Thanks for downloading this app. If you have any questions or comments, don't hesitate to send an email to shoguns.lenses.0s@icloud.com
Screenshots
Verdict
The clearest difference is rating: NMF.earth at 5.0 against CO₂ Aware's 4.0. NMF.earth also leads on update cadence (every 6 weeks vs every 3 months). 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.
NMF.earth holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
NMF.earth ships an update every 6 weeks, CO₂ Aware every 3 months. The most recent releases landed on June 4, 2026 and September 11, 2026 respectively.
| Parameter | NMF.earth | CO₂ Aware |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Pierre Bresson | Shouzhi Wang |
Customer experience
NMF.earth
CO₂ Aware
In-app purchases
NMF.earth
No in-app purchases
CO₂ Aware
No in-app purchases









