# Air Quality Index vs AirGradient Map

The clearest difference is rating: AirGradient Map at 5.0 against Air Quality Index's 4.5. AirGradient Map also leads on review sentiment (86% vs 60%) and update cadence (every 2 months vs every 4 months). Air Quality Index's advantage is device support (6 vs 2). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

AirGradient Map holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 20 and 13 respectively. Written reviews point the same way: 60% of Air Quality Index's written reviews are positive against 86% of AirGradient Map's.

Air Quality Index ships an update every 4 months, AirGradient Map every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Air Quality Index | AirGradient Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (20 ratings)](https://appshunter.io/ios/app/air-quality-index/id1296674639/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/airgradient-map/id6752292182/reviews)** |
| Number of ratings | **20** | 13 |
| Positive reviews | 60.0% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 15 MB | 35 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Apparent Logic LLC](https://appshunter.io/developer/314496791) | [AirGradient Ltd.](https://appshunter.io/developer/1838635986) |

## What reviewers say

### Air Quality Index

[App page](https://appshunter.io/ios/app/air-quality-index/id1296674639)

This app provides 48-hour smoke prediction maps for the Continental US, utilizing data from NOAA. It can also display EPA AQI readings, offering a comprehensive view of air quality.

**Highlights:** 48-hour smoke prediction maps, Near surface and vertically integrated smoke data, Continental US coverage, Optional EPA AQI readings, NOAA data integration

**Features:** Apple Watch app

**In-app purchases:** none


### AirGradient Map

[App page](https://appshunter.io/ios/app/airgradient-map/id6752292182)

Get real-time, accurate air quality data with a live map, personalized alerts, and science-based guidance. Plan your day, reduce exposure, and protect your health with actionable insights.

**Highlights:** Live AQI and PM2.5 map, Personalized air quality alerts, Global coverage, Science-based guidance, Home and Lock Screen widgets, Offline-aware status

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

**In-app purchases:** none


## Frequently asked questions

### Is Air Quality Index free?

Air Quality Index is free to download, with no in-app purchases.

### Is AirGradient Map free?

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

### Which has better reviews, Air Quality Index or AirGradient Map?

AirGradient Map is rated higher. Air Quality Index averages 4.5 out of 5 from 20 ratings, while AirGradient Map averages 5.0 from 13 ratings.

### Do Air Quality Index or AirGradient Map have ads?

Neither Air Quality Index nor AirGradient Map shows ads.

### Which is updated more often, Air Quality Index or AirGradient Map?

Air Quality Index ships an update every 4 months, and AirGradient Map every 2 months. Most recently, Air Quality Index was updated on October 24, 2026 and AirGradient Map on October 24, 2026.

---

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