# Pollution vs CalitateAer

The clearest difference is review sentiment: Pollution at 83% against CalitateAer's 40%. CalitateAer'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. CalitateAer asks for nothing beyond the download.

Pollution ships an update every 3 weeks, CalitateAer daily. Both last shipped on November 3, 2026.

## The numbers

| Metric | Pollution | CalitateAer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (19 ratings)](https://appshunter.io/ios/app/pollution-pollen-widget/id1609071301/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | **83.3% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 144 MB | 20 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stolanapp](https://appshunter.io/developer/1833017712) | [Ministerul Mediului Apelor si Padurilor](https://appshunter.io/developer/1577137734) |

## 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 |


### CalitateAer

[App page](https://appshunter.io/ios/app/calitateaer/id1610513317)

Access official, real-time air quality data across Romania, monitored according to European Union standards. View pollutant concentrations from over 150 measurement stations, updated 24/7, to understand potential health impacts.

**Highlights:** Official EU-compliant air quality data, Real-time monitoring, Data from 150+ measurement stations, Pollutant concentration evolution, PM10, PM2.5, NO2, NOx, SO2, O3 tracking

**In-app purchases:** none


## Frequently asked questions

### Is Pollution free?

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

### Is CalitateAer free?

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

### Do Pollution or CalitateAer have ads?

Pollution shows ads; CalitateAer does not.

### Which is updated more often, Pollution or CalitateAer?

Pollution ships an update every 3 weeks, and CalitateAer daily. Most recently, Pollution was updated on November 3, 2026 and CalitateAer on November 3, 2026.

---

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