# GridMix vs Muse Calendar

GridMix and Muse Calendar are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for GridMix against 5.0 for Muse Calendar. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

GridMix ships an update every 3 days, Muse Calendar every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | GridMix | Muse Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/gridmix/id6751874047/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/muse-calendar/id6757337206/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free | Free |
| Size | 97 MB | 17 MB |
| Requires iOS | **16.2** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Chaykowsky](https://appshunter.io/developer/1837354833) | [尚 王](https://appshunter.io/developer/1863829527) |

## What reviewers say

### GridMix

[App page](https://appshunter.io/ios/app/gridmix/id6751874047)

This app visualizes your region's live CO₂ emissions and forecasts them for the next 24 hours. It helps you identify the cleanest times to use electricity, like charging an EV or running appliances, to reduce your carbon footprint.

**Highlights:** Live CO₂ emissions visualization, 24-hour emissions forecast, Marginal Operating Emissions Rate (MOER), Fossil fuel percentage on grid, Location-aware coverage, Near real-time updates

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Muse Calendar

[App page](https://appshunter.io/ios/app/muse-calendar/id6757337206)

This minimalist calendar app offers a clean interface for organizing your life. It provides a daily inspirational quote and aesthetic widgets to keep you motivated and on track without distractions.

**Highlights:** Daily inspirational quotes, Aesthetic home screen widgets, Minimalist and distraction-free design, Seamless day, month, and year navigation, Localized wisdom based on system language

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GridMix free?

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

### Is Muse Calendar free?

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

### Which has better reviews, GridMix or Muse Calendar?

GridMix and Muse Calendar are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do GridMix or Muse Calendar have ads?

Neither GridMix nor Muse Calendar shows ads.

### Which is updated more often, GridMix or Muse Calendar?

GridMix ships an update every 3 days, and Muse Calendar every 5 days. Most recently, GridMix was updated on November 5, 2026 and Muse Calendar on October 31, 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.*