# Pollution vs Bụi Mịn

The clearest difference is in-app purchases: Bụi Mịn at none against Pollution's 10. Bụi Mịn also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.6). 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. Bụi Mịn asks for nothing beyond the download.

## The numbers

| Metric | Pollution | Bụi Mịn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/pollution-pollen-widget/id1609071301/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 144 MB | 18 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stolanapp](https://appshunter.io/developer/1833017712) | [Truong Van Truong](https://appshunter.io/developer/1601624508) |

## What reviewers say

### 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 |


### Bụi Mịn

[App page](https://appshunter.io/ios/app/bui-min/id6475751612)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pollution free?

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

### Is Bụi Mịn free?

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

### Do Pollution or Bụi Mịn have ads?

Pollution shows ads; Bụi Mịn does not.

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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.*