# The Earth Clock vs むしサウンド

The clearest difference is in-app purchases: The Earth Clock at none against むしサウンド's 1. The Earth Clock also leads on ads (none vs shown) and iOS requirement (8.1 vs 15.0). むしサウンド's advantage is update cadence (every 3 days vs every 24 months). On price and device support there is nothing between them.

Both are free to download. むしサウンド sells 1 one-off in-app purchase. The Earth Clock asks for nothing beyond the download.

The Earth Clock ships an update every 24 months, むしサウンド every 3 days. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | The Earth Clock | むしサウンド |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Every 3 days** |
| Size | 27 MB | 31 MB |
| Requires iOS | **8.1** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [masafumi sasaki](https://appshunter.io/developer/1016775706) | [ATSUSHI CHIBA](https://appshunter.io/developer/1896527641) |

## What reviewers say

### The Earth Clock

[App page](https://appshunter.io/ios/app/the-earth-clock/id1242158779)

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

**In-app purchases:** none


### むしサウンド

[App page](https://appshunter.io/ios/app/id6808943963)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| すべての機能を解放 | $0.49 | one-time |


## Frequently asked questions

### Is The Earth Clock free?

The Earth Clock is free to download, with no in-app purchases.

### Is むしサウンド free?

むしサウンド is free to download, with in-app purchases available.

### Do The Earth Clock or むしサウンド have ads?

むしサウンド shows ads; The Earth Clock does not.

### Which is updated more often, The Earth Clock or むしサウンド?

The Earth Clock ships an update every 24 months, and むしサウンド every 3 days. Most recently, The Earth Clock was updated on October 26, 2026 and むしサウンド on October 29, 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.*