# Eco Mi vs Mathrun Crowd Game

The clearest difference is in-app purchases: Mathrun Crowd Game at none against Eco Mi's 7. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Eco Mi sells 7 one-off in-app purchases. Mathrun Crowd Game asks for nothing beyond the download.

Eco Mi ships an update every 9 days, Mathrun Crowd Game fortnightly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Eco Mi | Mathrun Crowd Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/eco-mi-memory-game/id6761642110/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 63 MB | 9 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Frank Calise](https://appshunter.io/developer/1676853052) | [Felipe Almeida Spritzer](https://appshunter.io/developer/6779768905) |

## What reviewers say

### Eco Mi

[App page](https://appshunter.io/ios/app/eco-mi-memory-game/id6761642110)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retro Theme | $0.99 | one-time |
| Neon Theme | $0.99 | one-time |
| Pastel Theme | $0.99 | one-time |
| Retro Sound Pack | $0.99 | one-time |
| Buzzy Sound Pack | $0.99 | one-time |
| Mellow Sound Pack | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


### Mathrun Crowd Game

[App page](https://appshunter.io/ios/app/mathrun-crowd-game/id6779768903)

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

**In-app purchases:** none


## Frequently asked questions

### Is Eco Mi free?

Eco Mi is free to download, with in-app purchases available.

### Is Mathrun Crowd Game free?

Mathrun Crowd Game is free to download, with no in-app purchases.

### Do Eco Mi or Mathrun Crowd Game have ads?

Both Eco Mi and Mathrun Crowd Game show ads.

### Which is updated more often, Eco Mi or Mathrun Crowd Game?

Eco Mi ships an update every 9 days, and Mathrun Crowd Game fortnightly. Most recently, Eco Mi was updated on October 24, 2026 and Mathrun Crowd Game on October 18, 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.*