# 真气网 vs AirQualityMeter

The clearest difference is ads: 真气网 at none against AirQualityMeter's shown. 真气网 also leads on update cadence (every 2 months vs every 6 months) and review sentiment (65% vs 50%). 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.

真气网 ships an update every 2 months, AirQualityMeter every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 真气网 | AirQualityMeter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **65.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | — | Ad-supported |
| Size | 62 MB | 10 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [真气网](https://appshunter.io/developer/1054853793) | [Yuta Endo](https://appshunter.io/developer/1621719139) |

## What reviewers say

### 真气网

[App page](https://appshunter.io/ios/app/id1059631193)

**Features:** Vision Pro support

**In-app purchases:** none


### AirQualityMeter

[App page](https://appshunter.io/ios/app/airqualitymeter/id1660451275)

This app provides real-time air quality measurements and forecasts up to 24 hours in advance. It helps users manage their physical condition and prepare for allergies by notifying them of pollutants like PM2.5 and PM10. Location services enable automatic weather data acquisition for your current area.

**Highlights:** Real-time air pollutant notifications (PM2.5, PM10), 24-hour air pollution level forecast, Global coverage, Automatic location-based weather data, Allergy countermeasure information

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 真气网 free?

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

### Is AirQualityMeter free?

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

### Do 真气网 or AirQualityMeter have ads?

AirQualityMeter shows ads; 真气网 does not.

### Which is updated more often, 真气网 or AirQualityMeter?

真气网 ships an update every 2 months, and AirQualityMeter every 6 months. Most recently, 真气网 was updated on November 2, 2026 and AirQualityMeter on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*