NMF.earth vs Turtle
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.
Turtle
This app helps you understand and reduce your environmental impact by tracking daily activities like meals, travel, and purchases. It offers challenges, badges, and progress tracking to encourage sustainable habits. You can also compare your footprint to global averages and discover eco-friendly brands.
- Add daily activities (meals, travel, purchases)
- Discover climate impact of activities
- Take on challenges to reduce footprint
- Unlock badges and track progress
- Compare to national and global averages
- Discover eco-responsible brands
- Organize team challenges for companies
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Changer ses habitudes peut sembler difficile, surtout quand l’impact de nos actions n’est pas toujours visible. Turtle vous aide à prendre conscience de votre impact et à adopter des gestes concrets pour le réduire. Comment ça marche ? - Ajoutez vos activités facilement (repas, trajets, achats, logement) - Découvrez leur impact réel sur le climat - Relevez des défis pour faire baisser votre empreinte et débloquez des badges - Suivez vos progrès au quotidien et comparez-vous aux moyennes françaises et mondiales - Découvrez une sélection de marques éco-responsables Envie de défier vos collègues ? Organisez une session dans votre entreprise pour faire des challenges en équipe. Relevez des défis, gagnez des points, et que la meilleure équipe gagne ! Contrairement à un bilan carbone classique, Turtle vous accompagne au quotidien pour vous aider à prendre de bonnes habitudes, en seulement 5 minutes par semaine ! Toutes nos données sur l’empreinte carbone proviennent d’études scientifiques de sources reconnues comme l’ADEME et le Ministère de la transition écologique. Rejoignez le mouvement !
Screenshots
Verdict
The clearest difference is update cadence: Turtle at every 2 weeks against NMF.earth's every 6 weeks. On price, review sentiment, 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 ships an update every 6 weeks, Turtle every 2 weeks. The most recent releases landed on June 4, 2026 and July 7, 2026 respectively.
| Parameter | NMF.earth | Turtle |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Pierre Bresson | Julien Kritter |
Customer experience
NMF.earth
Turtle
In-app purchases
NMF.earth
No in-app purchases
Turtle
No in-app purchases
