# Pollution vs PollenCAT

The clearest difference is in-app purchases: PollenCAT at none against Pollution's 10. PollenCAT also leads on ads (none vs shown). Pollution's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price there is nothing between them.

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

Pollution ships an update every 3 weeks, PollenCAT every 2 months. The most recent releases landed on October 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Pollution | PollenCAT |
| --- | --- | --- |
| 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** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 144 MB | 5 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Stolanapp](https://appshunter.io/developer/1833017712) | [Artem Veikus](https://appshunter.io/developer/1836809417) |

## 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 |


### PollenCAT

[App page](https://appshunter.io/ios/app/pollencat/id6759867427)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pollution free?

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

### Is PollenCAT free?

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

### Do Pollution or PollenCAT have ads?

Pollution shows ads; PollenCAT does not.

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

Pollution ships an update every 3 weeks, and PollenCAT every 2 months. Most recently, Pollution was updated on October 14, 2026 and PollenCAT on September 18, 2026.

---

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