# 초견챌린지 vs Rhythm

The clearest difference is ads: 초견챌린지 at none against Rhythm's shown. 초견챌린지 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 초견챌린지 | Rhythm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | — |
| Size | 3 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [jungwook cho](https://appshunter.io/developer/6791017829) | [gilro han](https://appshunter.io/developer/6808596000) |

## What reviewers say

### 초견챌린지

[App page](https://appshunter.io/ios/app/id6800208649)

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

**In-app purchases:** none


### Rhythm

[App page](https://appshunter.io/ios/app/rhythmon/id6816890306)

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

**In-app purchases:** none


## Frequently asked questions

### Is 초견챌린지 free?

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

### Is Rhythm free?

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

### Do 초견챌린지 or Rhythm have ads?

Rhythm shows ads; 초견챌린지 does not.

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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.*