# ONOMATOPIA vs Shape Defense

The clearest difference is in-app purchases: Shape Defense at none against ONOMATOPIA's 15. Shape Defense also leads on ads (none vs shown) and update cadence (every 2 days vs every 10 days). ONOMATOPIA's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.2). On price there is nothing between them.

Both are free to download. ONOMATOPIA sells 12 in-app purchases, starting at $19.99 per year. Shape Defense asks for nothing beyond the download.

ONOMATOPIA ships an update every 10 days, Shape Defense every 2 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ONOMATOPIA | Shape Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onomatopia/id6738948087/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 241 MB | 4 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ENDROLL, K.K](https://appshunter.io/developer/1395441964) | [toshihiko sakusabe](https://appshunter.io/developer/1876203182) |

## What reviewers say

### ONOMATOPIA

[App page](https://appshunter.io/ios/app/onomatopia/id6738948087)

Build a peaceful island world with adorable creatures that create relaxing sounds. Mix nature and creature melodies to craft unique soundscapes for studying, sleeping, or unwinding. Collect and bond with creatures as your island grows, even when you're away.

**Highlights:** Create custom soundscapes, Collect and bond with creatures, Idle island growth, Discover unique creature personalities, Over 350 million sound combinations

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grand Maestro (1-Year Plan) | $19.99 | per year |
| Full Energy Recharge | $0.99 | one-time |
| Start Dash | $1.99 | one-time |
| This Month's Mission Pass | $2.99 | one-time |
| Premium Gacha Coins x3 | $3.99 | one-time |
| Ad Coupons x100 | $3.99 | one-time |
| Matopi Time EX | $3.99 | one-time |
| Start Dash++ | $4.99 | one-time |
| Matopi Mania | $5.99 | one-time |
| Premium Gacha Coins x3 | $5.99 | one-time |
| Matopi Time EX | $5.99 | one-time |
| Big Spender | $8.99 | one-time |


### Shape Defense

[App page](https://appshunter.io/ios/app/shape-defense/id6760210046)

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

**In-app purchases:** none


## Frequently asked questions

### Is ONOMATOPIA free?

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

### Is Shape Defense free?

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

### Do ONOMATOPIA or Shape Defense have ads?

ONOMATOPIA shows ads; Shape Defense does not.

### Which is updated more often, ONOMATOPIA or Shape Defense?

ONOMATOPIA ships an update every 10 days, and Shape Defense every 2 days. Most recently, ONOMATOPIA was updated on October 15, 2026 and Shape Defense on October 9, 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.*