# Piek vs 粉笔健康

The clearest difference is update cadence: 粉笔健康 at every 3 weeks against Piek's every 4 months. 粉笔健康 also leads on iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Piek ships an update every 4 months, 粉笔健康 every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Piek | 粉笔健康 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 53 MB | 71 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [亚威 王](https://appshunter.io/developer/1564847424) | [北京粉笔蓝天科技有限公司](https://appshunter.io/developer/993615066) |

## What reviewers say

### Piek

[App page](https://appshunter.io/ios/app/piek-hrv/id1565098486)

**In-app purchases:** none


### 粉笔健康

[App page](https://appshunter.io/ios/app/id6749754455)

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

**In-app purchases:** none


## Frequently asked questions

### Is Piek free?

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

### Is 粉笔健康 free?

粉笔健康 is free to download, with no in-app purchases.

### Do Piek or 粉笔健康 have ads?

Neither Piek nor 粉笔健康 shows ads.

### Which is updated more often, Piek or 粉笔健康?

Piek ships an update every 4 months, and 粉笔健康 every 3 weeks. Most recently, Piek was updated on October 27, 2026 and 粉笔健康 on October 25, 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.*