# wriggles vs むしサウンド

The clearest difference is ads: wriggles at none against むしサウンド's shown. むしサウンド's advantage is update cadence (every 3 days vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. wriggles sells 1 one-off in-app purchase and むしサウンド sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

wriggles ships an update every 8 months, むしサウンド every 3 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | wriggles | むしサウンド |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/wriggles/id1465699468/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 31 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKURO IMAGAWA](https://appshunter.io/developer/1465469370) | [ATSUSHI CHIBA](https://appshunter.io/developer/1896527641) |

## What reviewers say

### wriggles

[App page](https://appshunter.io/ios/app/wriggles/id1465699468)

A charming interactive toy app where a caterpillar hatches and wriggles on screen. Feed it to help it grow into a butterfly, and explore its reactions to touch. Designed for young children to freely play and stimulate their curiosity.

**Highlights:** Interactive caterpillar growth simulation, Transform into a butterfly, Touch-based reactions, Free play and exploration, Stimulates curiosity

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add content | $1.99 | one-time |


### 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 wriggles free?

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

### Is むしサウンド free?

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

### Do wriggles or むしサウンド have ads?

むしサウンド shows ads; wriggles does not.

### Which is updated more often, wriggles or むしサウンド?

wriggles ships an update every 8 months, and むしサウンド every 3 days. Most recently, wriggles was updated on October 24, 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.*