# Allergy Sufferers vs Pollution

The clearest difference is review sentiment: Pollution at 83% against Allergy Sufferers's 43%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Allergy Sufferers sells 3 in-app purchases, starting at $2.99 per month and Pollution sells 10 in-app purchases, starting at $1.19 per 7 days. Whichever you choose, the download price is not the number that matters.

Allergy Sufferers ships an update monthly, Pollution every 3 weeks. Both last shipped on October 18, 2026.

## The numbers

| Metric | Allergy Sufferers | Pollution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (18 ratings)](https://appshunter.io/ios/app/pollution-pollen-widget/id1609071301/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | 42.9% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 97 MB | 144 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aerobiology Research Laboratories](https://appshunter.io/developer/1199928958) | [Stolanapp](https://appshunter.io/developer/1833017712) |

## What reviewers say

### Allergy Sufferers

[App page](https://appshunter.io/ios/app/allergy-sufferers/id1216709069)

Receive reliable daily pollen and spore forecasts across Canada. Track your symptoms, get personalized insights, and manage your allergy triggers with detailed data and helpful tips. Access up to 14 days of historical forecasts and customize your experience.

**Highlights:** 4-day pollen and spore forecasts, Individual allergen forecasts, Personalized symptom tracking, Data visualizer for trigger correlation, Customizable allergen and location tracking, 14-day historical forecasts, Allergy management tips

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month localization | $2.99 | per month |
| AllergySufferers 1-Yr Premium | $9.99 | per year |
| 1 year localization | $9.99 | per year |


### 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 Allergy Sufferers free?

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

### Is Pollution free?

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

### Do Allergy Sufferers or Pollution have ads?

Both Allergy Sufferers and Pollution show ads.

### Which is updated more often, Allergy Sufferers or Pollution?

Allergy Sufferers ships an update monthly, and Pollution every 3 weeks. Most recently, Allergy Sufferers was updated on October 18, 2026 and Pollution on October 18, 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.*