# CatNote卡片笔记 vs 简政OA

The clearest difference is in-app purchases: 简政OA at none against CatNote卡片笔记's 3. 简政OA also leads on iOS requirement (12.0 vs 16.1). CatNote卡片笔记's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. CatNote卡片笔记 sells 3 one-off in-app purchases. 简政OA asks for nothing beyond the download.

CatNote卡片笔记 ships an update every 3 weeks, 简政OA every 4 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | CatNote卡片笔记 | 简政OA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 10 MB | 90 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Xunji Technology Co., Ltd](https://appshunter.io/developer/1663423638) | [群涛 王](https://appshunter.io/developer/1668626450) |

## What reviewers say

### CatNote卡片笔记

[App page](https://appshunter.io/ios/app/catnote/id1663647332)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CatNote月度会员 | $0.99 | one-time |
| CatNote年度会员 | $7.99 | one-time |
| CatNote永久会员 | $14.99 | one-time |


### 简政OA

[App page](https://appshunter.io/ios/app/oa/id6471914296)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CatNote卡片笔记 free?

CatNote卡片笔记 is free to download, with in-app purchases available.

### Is 简政OA free?

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

### Do CatNote卡片笔记 or 简政OA have ads?

Neither CatNote卡片笔记 nor 简政OA shows ads.

### Which is updated more often, CatNote卡片笔记 or 简政OA?

CatNote卡片笔记 ships an update every 3 weeks, and 简政OA every 4 months. Most recently, CatNote卡片笔记 was updated on October 6, 2026 and 简政OA on October 6, 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.*