# 知拾收藏 vs CatNote卡片笔记

The clearest difference is ads: CatNote卡片笔记 at none against 知拾收藏's shown. 知拾收藏's advantage is iOS requirement (12.0 vs 16.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 知拾收藏 sells 1 in-app purchase, starting at $17.49 per year and CatNote卡片笔记 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

知拾收藏 ships an update every 2 weeks, CatNote卡片笔记 every 3 weeks. The most recent releases landed on May 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 知拾收藏 | CatNote卡片笔记 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 55 MB | 10 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [俊杰 黄](https://appshunter.io/developer/1132845873) | [Beijing Xunji Technology Co., Ltd](https://appshunter.io/developer/1663423638) |

## What reviewers say

### 知拾收藏

[App page](https://appshunter.io/ios/app/id1522454327)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 知拾收藏小绿叶高级版 | $17.49 | per year |


### 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 |


## Frequently asked questions

### Is 知拾收藏 free?

知拾收藏 is free to download, with in-app purchases available.

### Is CatNote卡片笔记 free?

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

### Do 知拾收藏 or CatNote卡片笔记 have ads?

知拾收藏 shows ads; CatNote卡片笔记 does not.

### Which is updated more often, 知拾收藏 or CatNote卡片笔记?

知拾收藏 ships an update every 2 weeks, and CatNote卡片笔记 every 3 weeks. Most recently, 知拾收藏 was updated on May 14, 2026 and CatNote卡片笔记 on September 11, 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.*