# AQI vs AirPro AQI

The clearest difference is rating: AirPro AQI at 5.0 against AQI's 3.4. AQI's advantage is update cadence (every 5 days vs monthly) and ratings volume (16 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AirPro AQI holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: AQI has 16 ratings behind it against 1, so its average is the more settled of the two.

AQI ships an update every 5 days, AirPro AQI monthly. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | AQI | AirPro AQI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (16 ratings)](https://appshunter.io/ios/app/aqi/id1439684571/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/airpro-aqi/id6445855953/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 41.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free | Free |
| Size | 208 MB | 13 MB |
| Requires iOS | **15.6** | 16.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Purelogic Labs India Private Limited](https://appshunter.io/developer/704067891) | [Paul Dorsey](https://appshunter.io/developer/1240620211) |

## 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


### AirPro AQI

[App page](https://appshunter.io/ios/app/airpro-aqi/id6445855953)

This application connects to AirPro hardware to measure and track various particle sizes in the air. It provides detailed air quality data for users concerned about their environment.

**Highlights:** Measures 1um, 2um, 5um, 10um particles, Tracks air quality data, Connects to AirPro hardware, Provides detailed air quality readings

**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 AirPro AQI free?

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

### Which has better reviews, AQI or AirPro AQI?

AirPro AQI is rated higher. AQI averages 3.4 out of 5 from 16 ratings, while AirPro AQI averages 5.0 from 1 ratings.

### Do AQI or AirPro AQI have ads?

Neither AQI nor AirPro AQI shows ads.

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

AQI ships an update every 5 days, and AirPro AQI monthly. Most recently, AQI was updated on September 27, 2026 and AirPro AQI on September 17, 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.*