# AQI vs AirQualityMeter

The clearest difference is ads: AQI at none against AirQualityMeter's shown. AQI also leads on update cadence (every 5 days vs every 3 months) and monetization model (free vs ad-supported). AirQualityMeter's advantage is review sentiment (50% vs 42%). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AQI ships an update every 5 days, AirQualityMeter every 3 months. The most recent releases landed on September 22, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | AQI | AirQualityMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (16 ratings)](https://appshunter.io/ios/app/aqi/id1439684571/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 41.9% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 208 MB | 8 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Purelogic Labs India Private Limited](https://appshunter.io/developer/704067891) | [Yuta Endo](https://appshunter.io/developer/1621719139) |

## What reviewers say

### AQI

[App page](https://appshunter.io/ios/app/aqi/id1439684571)

This app provides real-time air quality index and weather data from local monitoring stations. It alerts you to air quality levels and helps you plan outdoor activities. Track pollutants like PM2.5 and CO for healthier living.

**Highlights:** Real-time and historic air quality data, Global AQI map with 10,500+ stations, Air quality monitor dashboard, On-the-go AQI widget, Health advice based on AQI, Live world air quality ranking

**Features:** macOS Compatibility, Apple Watch app, 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 AQI free?

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

### Is AirQualityMeter free?

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

### Do AQI or AirQualityMeter have ads?

AirQualityMeter shows ads; AQI does not.

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

AQI ships an update every 5 days, and AirQualityMeter every 3 months. Most recently, AQI was updated on September 22, 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.*