# 康风智净化 vs AinkNote

The clearest difference is update cadence: AinkNote at monthly against 康风智净化's every 3 months. 康风智净化's advantage is iOS requirement (11.0 vs 13.0). 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.

康风智净化 ships an update every 3 months, AinkNote monthly. The most recent releases landed on September 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 康风智净化 | AinkNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 119 MB | 53 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [剑 王](https://appshunter.io/developer/1288387072) | [深圳汉王友基科技有限公司](https://appshunter.io/developer/1468049952) |

## What reviewers say

### 康风智净化

[App page](https://appshunter.io/ios/app/id1619953333)

**Features:** macOS Compatibility

**In-app purchases:** none


### AinkNote

[App page](https://appshunter.io/ios/app/ainknote/id6457239209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 康风智净化 free?

康风智净化 is free to download, with no in-app purchases.

### Is AinkNote free?

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

### Do 康风智净化 or AinkNote have ads?

Neither 康风智净化 nor AinkNote shows ads.

### Which is updated more often, 康风智净化 or AinkNote?

康风智净化 ships an update every 3 months, and AinkNote monthly. Most recently, 康风智净化 was updated on September 17, 2026 and AinkNote on October 2, 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.*