# 码当笔记 vs GrayCat Markdown

The clearest difference is update cadence: 码当笔记 at every 2 weeks against GrayCat Markdown's every 5 weeks. 码当笔记 also leads on iOS requirement (15.1 vs 17.0). 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.

码当笔记 ships an update every 2 weeks, GrayCat Markdown every 5 weeks. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 码当笔记 | GrayCat Markdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 17 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [艺菲 王](https://appshunter.io/developer/1794128671) | [泳涛 茅](https://appshunter.io/developer/1893812217) |

## What reviewers say

### 码当笔记

[App page](https://appshunter.io/ios/app/markdown/id6741430391)

**Features:** macOS Compatibility

**In-app purchases:** none


### GrayCat Markdown

[App page](https://appshunter.io/ios/app/graycat-markdown/id6762512754)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 码当笔记 free?

码当笔记 is free to download, with no in-app purchases.

### Is GrayCat Markdown free?

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

### Do 码当笔记 or GrayCat Markdown have ads?

Neither 码当笔记 nor GrayCat Markdown shows ads.

### Which is updated more often, 码当笔记 or GrayCat Markdown?

码当笔记 ships an update every 2 weeks, and GrayCat Markdown every 5 weeks. Most recently, 码当笔记 was updated on October 28, 2026 and GrayCat Markdown on November 5, 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.*