# StrasMusées vs NMF.earth

The clearest difference is update cadence: NMF.earth at every 6 weeks against StrasMusées's every 11 months. StrasMusées's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

StrasMusées ships an update every 11 months, NMF.earth every 6 weeks. The most recent releases landed on September 7, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | StrasMusées | NMF.earth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nmfearth/id1494561829/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 15 MB | 42 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Communauté Urbaine de Strasbourg](https://appshunter.io/developer/491039559) | [Pierre Bresson](https://appshunter.io/developer/886617892) |

## What reviewers say

### StrasMusées

[App page](https://appshunter.io/ios/app/strasmusees/id1279703038)

**Features:** macOS Compatibility

**In-app purchases:** none


### NMF.earth

[App page](https://appshunter.io/ios/app/nmfearth/id1494561829)

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.

**Highlights:** Calculate CO2 emissions, Define carbon budget, Track monthly limits, Reduce carbon footprint, Actionable insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StrasMusées free?

StrasMusées is free to download, with no in-app purchases.

### Is NMF.earth free?

NMF.earth is free to download, with no in-app purchases.

### Do StrasMusées or NMF.earth have ads?

Neither StrasMusées nor NMF.earth shows ads.

### Which is updated more often, StrasMusées or NMF.earth?

StrasMusées ships an update every 11 months, and NMF.earth every 6 weeks. Most recently, StrasMusées was updated on September 7, 2026 and NMF.earth on June 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*