# Biological clock vs 地下城勇士

The clearest difference is in-app purchases: Biological clock at none against 地下城勇士's 6. 地下城勇士's advantage is ads (none vs shown) and iOS requirement (6.0 vs 12.1). On price and device support there is nothing between them.

Both are free to download. 地下城勇士 sells 6 one-off in-app purchases. Biological clock asks for nothing beyond the download.

## The numbers

| Metric | Biological clock | 地下城勇士 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | — |
| Size | 13 MB | 19 MB |
| Requires iOS | 12.1 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAREPPO](https://appshunter.io/developer/604325074) | [宇 赵](https://appshunter.io/developer/1518515032) |

## What reviewers say

### Biological clock

[App page](https://appshunter.io/ios/app/biological-clock-everywhere/id1099546322)

**Features:** Vision Pro support

**In-app purchases:** none


### 地下城勇士

[App page](https://appshunter.io/ios/app/21iq/id1153263778)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50金币 | $0.99 | one-time |
| 圣光辉30次 | $0.99 | one-time |
| 风之罗盘（9999次） | $0.99 | one-time |
| 300金币 | $4.99 | one-time |
| 圣光辉（9999次） | $4.99 | one-time |
| 无敌药水 | $19.99 | one-time |


## Frequently asked questions

### Is Biological clock free?

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

### Is 地下城勇士 free?

地下城勇士 is free to download, with in-app purchases available.

### Do Biological clock or 地下城勇士 have ads?

Biological clock shows ads; 地下城勇士 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.*