# 352Air vs 香山智联

The clearest difference is review sentiment: 香山智联 at 77% against 352Air's 25%. 香山智联 also leads on rating (4.9 vs 1.9) and ratings volume (3.2K vs 8). 352Air's advantage is ads (none vs shown) and iOS requirement (12.2 vs 15.0). On price, 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.

香山智联 holds the better App Store score, 4.9 against 1.9. That said, the two scores are not equally well evidenced: 香山智联 has 3.2K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 25% of 352Air's written reviews are positive against 77% of 香山智联's.

352Air ships an update every 5 weeks, 香山智联 every 2 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 352Air | 香山智联 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (8 ratings)](https://appshunter.io/ios/app/352air/id1086523490/reviews) | **[4.9 (3.2K ratings)](https://appshunter.io/ios/app/id1635255148/reviews)** |
| Number of ratings | 8 | **3.2K** |
| Positive reviews | 25.0% of reviews | **77.3% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 119 MB | 171 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Beijing 352 Environmental Technology Co .LTD.](https://appshunter.io/developer/1086523489) | [Zhongshan Camry Electronic Co., Ltd.](https://appshunter.io/developer/556311830) |

## What reviewers say

### 352Air

[App page](https://appshunter.io/ios/app/352air/id1086523490)

This app connects to smart air purifiers and monitors, providing remote control, real-time and historical data, and air quality forecasts. It also offers联动净化 between devices and outdoor air quality information for over 300 cities.

**Highlights:** Remote control of air purifiers, Real-time and historical air quality data, Outdoor air quality maps and forecasts, 联动净化 between devices, Device sharing, Firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


### 香山智联

[App page](https://appshunter.io/ios/app/id1635255148)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 352Air free?

352Air is free to download, with no in-app purchases.

### Is 香山智联 free?

香山智联 is free to download, with no in-app purchases.

### Which has better reviews, 352Air or 香山智联?

香山智联 is rated higher. 352Air averages 1.9 out of 5 from 8 ratings, while 香山智联 averages 4.9 from 3.2K ratings.

### Do 352Air or 香山智联 have ads?

香山智联 shows ads; 352Air does not.

### Which is updated more often, 352Air or 香山智联?

352Air ships an update every 5 weeks, and 香山智联 every 2 weeks. Most recently, 352Air was updated on November 2, 2026 and 香山智联 on November 7, 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.*