# Allergy Plus by Pollen.com vs StackCheck

The clearest difference is ads: StackCheck at none against Allergy Plus by Pollen.com's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Allergy Plus by Pollen.com sells 3 in-app purchases, starting at $2.49 per month and StackCheck sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Allergy Plus by Pollen.com | StackCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (23K ratings)](https://appshunter.io/ios/app/allergy-plus-by-pollencom/id1556701665/reviews)** | — |
| Number of ratings | **23K** | — |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 43 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IQVIA Inc.](https://appshunter.io/developer/376388241) | [Byron TAN](https://appshunter.io/developer/1891114635) |

## What reviewers say

### Allergy Plus by Pollen.com

[App page](https://appshunter.io/ios/app/allergy-plus-by-pollencom/id1556701665)

This app provides location-specific, real-time allergy information, including forecasts for pollen, air quality, and weather. Users can receive notifications for allergy level changes and view 5-day forecasts. It offers in-depth details on local allergens and syncs with a leading allergy forecasting website.

**Highlights:** Location-specific allergy forecasts, Real-time air quality and weather, Allergy level change notifications, 5-day forecast comparison, In-depth allergen information, Syncs with Pollen.com

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.49 | per month |
| Seasonal Subscription | $6.99 | per 3 months |
| Annual Subscription | $24.99 | per year |

**What reviewers like**

- 🚀 Helpful for planning outdoor activities
- 👍 Accurate pollen forecasts
- 🗓️ Useful for tracking allergy symptoms
- 💡 Provides detailed allergy information
- 🗺️ Includes air quality data

**What reviewers complain about**

- 🐛 Inaccurate pollen data for some locations
- 🔍 Lacks customization options for specific allergies
- 💰 Expensive subscription model
- 📢 Intrusive ads in free version
- 🕰️ Slow performance on some devices

**Reported bugs**

- Watch app not working for some users
- Pollen data not updating correctly
- Allergy diary feature not functioning properly

**Requested features**

- Add mold and dust allergy tracking
- Improve Apple Watch app functionality
- Provide more detailed allergy history tracking
- Allow users to log their symptoms and triggers


### StackCheck

[App page](https://appshunter.io/ios/app/stackcheck-nutrition-tracker/id6761726477)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StackCheck Pro Monthly | $7.99 | per month |
| StackCheck Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is Allergy Plus by Pollen.com free?

Allergy Plus by Pollen.com is free to download, with in-app purchases available.

### Is StackCheck free?

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

### Do Allergy Plus by Pollen.com or StackCheck have ads?

Allergy Plus by Pollen.com shows ads; StackCheck does not.

### Which is updated more often, Allergy Plus by Pollen.com or StackCheck?

Allergy Plus by Pollen.com ships an update every 3 weeks, and StackCheck every 3 weeks. Most recently, Allergy Plus by Pollen.com was updated on October 14, 2026 and StackCheck on September 28, 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.*