# AirPlus vs AQI

The clearest difference is update cadence: AQI at weekly against AirPlus's every 3 months. AQI also leads on device support (3 vs 1). On price, ads, 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.

AirPlus ships an update every 3 months, AQI weekly. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | AirPlus | AQI |
| --- | --- | --- |
| 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 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 16 MB | 208 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Homecaught Facility Engineering Equipment Co., Ltd.](https://appshunter.io/developer/1080940631) | [Purelogic Labs India Private Limited](https://appshunter.io/developer/704067891) |

## What reviewers say

### AirPlus

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is AirPlus free?

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

### Is AQI free?

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

### Do AirPlus or AQI have ads?

Neither AirPlus nor AQI shows ads.

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

AirPlus ships an update every 3 months, and AQI weekly. Most recently, AirPlus was updated on October 13, 2026 and AQI on October 20, 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.*