# 숨(sooum) vs echo

The clearest difference is in-app purchases: 숨(sooum) at none against echo's 3. 숨(sooum) also leads on device support and iOS requirement (15.0 vs 18.4). On price there is nothing between them.

Both are free to download. echo sells 3 in-app purchases, starting at $2.99 per month. 숨(sooum) asks for nothing beyond the download.

## The numbers

| Metric | 숨(sooum) | echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | Fortnightly | — |
| Size | 67 MB | 5 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [jungwoo jang](https://appshunter.io/developer/1779293294) | [SungHyun Kim](https://appshunter.io/developer/1749971435) |

## What reviewers say

### 숨(sooum)

[App page](https://appshunter.io/ios/app/sooum/id6740403078)

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

**In-app purchases:** none


### echo

[App page](https://appshunter.io/ios/app/echo/id6755811431)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo 프리미엄 (월간) | $2.99 | per month |
| Echo 프리미엄 (연간) | $29.99 | per year |
| Echo 프리미엄 (평생) | $59.99 | one-time |


## Frequently asked questions

### Is 숨(sooum) free?

숨(sooum) is free to download, with no in-app purchases.

### Is echo free?

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

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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.*