# PAM Air vs Pollution

The clearest difference is in-app purchases: PAM Air at none against Pollution's 10. PAM Air also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.6). Pollution's advantage is rating (4.9 vs 4.5) and review sentiment (83% vs 57%). On price, ratings volume, update cadence 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. PAM Air asks for nothing beyond the download.

Pollution holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 8 and 19 respectively. Written reviews point the same way: 57% of PAM Air's written reviews are positive against 83% of Pollution's.

PAM Air ships an update fortnightly, Pollution every 3 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PAM Air | Pollution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/pam-air/id1451026830/reviews) | **[4.9 (19 ratings)](https://appshunter.io/ios/app/pollution-pollen-widget/id1609071301/reviews)** |
| Number of ratings | 8 | **19** |
| Positive reviews | 56.5% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 144 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [D&L Technology Integration And Consulting Joint Stock Company](https://appshunter.io/developer/1436285979) | [Stolanapp](https://appshunter.io/developer/1833017712) |

## What reviewers say

### PAM Air

[App page](https://appshunter.io/ios/app/pam-air/id1451026830)

This app provides real-time ambient air quality information and pollution warnings for Vietnam. It features a live map, historical data, and automatic notifications to help users stay informed about their local air quality.

**Highlights:** Real-time air quality map, 24-hour air quality data, Search by location or GPS, Favorite locations quick view, Automatic mobile notifications, Citizen science approach

**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 PAM Air free?

PAM Air 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, PAM Air or Pollution?

Pollution is rated higher. PAM Air averages 4.5 out of 5 from 8 ratings, while Pollution averages 4.9 from 19 ratings.

### Do PAM Air or Pollution have ads?

Pollution shows ads; PAM Air does not.

### Which is updated more often, PAM Air or Pollution?

PAM Air ships an update fortnightly, and Pollution every 3 weeks. Most recently, PAM Air was updated on October 20, 2026 and Pollution on October 27, 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.*