# AirPlus vs AirQualityMeter

The clearest difference is ads: AirPlus at none against AirQualityMeter's shown. AirQualityMeter's advantage is iOS requirement (16.6 vs 18.0). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 9, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | AirPlus | AirQualityMeter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 16 MB | 8 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Nanjing Homecaught Facility Engineering Equipment Co., Ltd.](https://appshunter.io/developer/1080940631) | [Yuta Endo](https://appshunter.io/developer/1621719139) |

## What reviewers say

### AirPlus

[App page](https://appshunter.io/ios/app/airplus/id1080940632)

**Features:** macOS Compatibility

**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 AirPlus free?

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

### Is AirQualityMeter free?

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

### Do AirPlus or AirQualityMeter have ads?

AirQualityMeter shows ads; AirPlus does not.

### Which is updated more often, AirPlus or AirQualityMeter?

AirPlus ships an update every 3 months, and AirQualityMeter every 3 months. Most recently, AirPlus was updated on September 9, 2026 and AirQualityMeter on September 1, 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.*