# Allergy Plus by Pollen.com vs Function Health

The clearest difference is in-app purchases: Function Health at none against Allergy Plus by Pollen.com's 3. Function Health also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). Allergy Plus by Pollen.com's advantage is device support (3 vs 1). On price, rating, ratings volume and iOS requirement 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. Function Health asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Allergy Plus by Pollen.com against 4.9 for Function Health. Both are backed by a comparable volume of ratings — 23K and 25K respectively. Written reviews are what separate them: 47% of Allergy Plus by Pollen.com's written reviews are positive against 62% of Function Health's.

Allergy Plus by Pollen.com ships an update every 3 weeks, Function Health weekly. Both last shipped on October 15, 2026.

## The numbers

| Metric | Allergy Plus by Pollen.com | Function Health |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (23K ratings)](https://appshunter.io/ios/app/allergy-plus-by-pollencom/id1556701665/reviews) | **[4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews)** |
| Number of ratings | 23K | **25K** |
| Positive reviews | 47.1% of reviews | **62.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 65 MB | 202 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [IQVIA Inc.](https://appshunter.io/developer/376388241) | [Function Health](https://appshunter.io/developer/1715014524) |

## 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


### Function Health

[App page](https://appshunter.io/ios/app/function-health/id6471280307)

Take control of your health with comprehensive lab testing, personalized protocols, and AI-powered insights. Understand your body's data, track changes over time, and make informed decisions for long-term wellness. Connect wearables and upload records for a complete health picture.

**Highlights:** 160+ lab tests annually, Personalized health protocols, Private AI Chat for results, Connect health wearables, Advanced MRI & CT scans, Upload health records

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Seamless process for blood tests and results
- 📊 Comprehensive health insights and tracking
- 🧠 Helpful clinician notes and recommendations
- 👍 User-friendly and visually appealing app
- 💰 Affordable compared to other options

**What reviewers complain about**

- 🔍 Lack of communication and support responsiveness
- 🐛 Some bugs and usability issues in the app

**Reported bugs**

- App sometimes redirects back to the home screen when trying to view results
- Occasional typos and formatting issues in the app

**Requested features**

- More customization options in the app settings
- Ability to print or export test results and recommendations
- Specific supplement recommendations rather than broad suggestions


## 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 Function Health free?

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

### Which has better reviews, Allergy Plus by Pollen.com or Function Health?

Function Health is rated higher. Allergy Plus by Pollen.com averages 4.8 out of 5 from 23K ratings, while Function Health averages 4.9 from 25K ratings.

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

Allergy Plus by Pollen.com shows ads; Function Health does not.

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

Allergy Plus by Pollen.com ships an update every 3 weeks, and Function Health weekly. Most recently, Allergy Plus by Pollen.com was updated on October 15, 2026 and Function Health on October 15, 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.*