# Aire Monterrey vs Pollution

The clearest difference is review sentiment: Pollution at 83% against Aire Monterrey's 0%. Pollution also leads on rating (4.9 vs 1.0) and update cadence (every 3 weeks vs every 6 months). Aire Monterrey's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Pollution sells 10 in-app purchases, starting at $1.19 per 7 days. Aire Monterrey asks for nothing beyond the download.

Pollution holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Pollution has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Aire Monterrey's written reviews are positive against 83% of Pollution's.

Aire Monterrey ships an update every 6 months, Pollution every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Aire Monterrey | Pollution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/aire-monterrey/id1571161910/reviews) | **[4.9 (19 ratings)](https://appshunter.io/ios/app/pollution-pollen-widget/id1609071301/reviews)** |
| Number of ratings | 2 | **19** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 93 MB | 144 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sima Nuevo Leon](https://appshunter.io/developer/1133718489) | [Stolanapp](https://appshunter.io/developer/1833017712) |

## What reviewers say

### Aire Monterrey

[App page](https://appshunter.io/ios/app/aire-monterrey/id1571161910)

Provides real-time air quality data for the Monterrey Metropolitan Area. It informs citizens about pollution levels and health risks, offering recommendations for protection.

**Highlights:** Real-time air quality monitoring, Pollutant and meteorological variable data, Air and Health Index reporting, Health risk information, Actionable recommendations, Daily air quality forecasts, Environmental alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Pollution

[App page](https://appshunter.io/ios/app/pollution-pollen-widget/id1609071301)

Track real-time air quality and pollution levels in your area. Get detailed pollutant breakdowns, hourly and multi-day forecasts, and health recommendations to make informed decisions about your environment and well-being.

**Highlights:** Real-time Air Quality Index (AQI), Detailed pollutant breakdown, Hourly and 4-day forecasts, Smart notifications, Health recommendations, User-friendly design

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Umbrella - Premium | $1.19 | per 7 days |
| Umbrella - Premium | $2.19 | per 7 days |
| Air Quality Index - Premium | $2.29 | per month |
| Air Quality Premium Discount | $3.99 | per year |
| Umbrella - Premium | $4.29 | per month |
| Umbrella - Premium | $4.99 | per month |
| Air Quality Index - Premium | $5.69 | per year |
| Umbrella - Premium | $5.69 | per year |
| Air Quality Index - Premium | $11.49 | per year |
| Air Quality Index - Premium | $11.49 | per year |


## Frequently asked questions

### Is Aire Monterrey free?

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

### Is Pollution free?

Pollution is free to download, with in-app purchases available.

### Which has better reviews, Aire Monterrey or Pollution?

Pollution is rated higher. Aire Monterrey averages 1.0 out of 5 from 2 ratings, while Pollution averages 4.9 from 19 ratings.

### Do Aire Monterrey or Pollution have ads?

Pollution shows ads; Aire Monterrey does not.

### Which is updated more often, Aire Monterrey or Pollution?

Aire Monterrey ships an update every 6 months, and Pollution every 3 weeks. Most recently, Aire Monterrey was updated on November 3, 2026 and Pollution on November 7, 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.*