# 纳风 vs 22℃ Gardenkeeper

The clearest difference is update cadence: 22℃ Gardenkeeper at every 5 months against 纳风's every 28 months. 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.

纳风 ships an update every 28 months, 22℃ Gardenkeeper every 5 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 纳风 | 22℃ Gardenkeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 5 months** |
| Size | 80 MB | 188 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Naflow Purification Technology Co.,Ltd](https://appshunter.io/developer/1516408175) | [Nanjing Mingfa Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1668542294) |

## What reviewers say

### 纳风

[App page](https://appshunter.io/ios/app/air/id1516408356)

**Features:** macOS Compatibility

**In-app purchases:** none


### 22℃ Gardenkeeper

[App page](https://appshunter.io/ios/app/22-gardenkeeper/id1668542292)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 纳风 free?

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

### Is 22℃ Gardenkeeper free?

22℃ Gardenkeeper is free to download, with no in-app purchases.

### Do 纳风 or 22℃ Gardenkeeper have ads?

Neither 纳风 nor 22℃ Gardenkeeper shows ads.

### Which is updated more often, 纳风 or 22℃ Gardenkeeper?

纳风 ships an update every 28 months, and 22℃ Gardenkeeper every 5 months. Most recently, 纳风 was updated on November 7, 2026 and 22℃ Gardenkeeper on November 3, 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.*