# Molekule vs Function Health

The clearest difference is review sentiment: Function Health at 62% against Molekule's 17%. Function Health also leads on rating (4.9 vs 4.4) and update cadence (weekly vs every 2 months). Molekule's advantage is monetization model (free vs subscription). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Function Health holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 11K and 25K respectively. Written reviews point the same way: 17% of Molekule's written reviews are positive against 62% of Function Health's.

Molekule ships an update every 2 months, Function Health weekly. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Molekule | Function Health |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (11K ratings)](https://appshunter.io/ios/app/molekule/id1219881640/reviews) | **[4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews)** |
| Number of ratings | 11K | **25K** |
| Positive reviews | 17.2% of reviews | **61.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Subscription |
| Size | 112 MB | 201 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [MOLEKULE GROUP, INC.](https://appshunter.io/developer/1219881639) | [Function Health](https://appshunter.io/developer/1715014524) |

## What reviewers say

### Molekule

[App page](https://appshunter.io/ios/app/molekule/id1219881640)

This app connects to advanced air purifiers and humidifiers, offering real-time air quality monitoring and control. It allows users to track filter status, schedule operation, and utilize features like dark mode for a healthier home environment.

**Highlights:** PECO technology air purification, Real-time air quality sensing, Filter status tracking, Dark mode scheduler, Reliable cloud connection, Control multiple devices

**In-app purchases:** none

**What reviewers like**

- 🚀 Remote operating
- 🌟 Great air purifier
- 👍 Sleek design
- 💨 Helps with allergies

**What reviewers complain about**

- 🐛 Buggy app
- 🔌 Connectivity issues
- 🕰️ Unreliable filter status
- 📱 Useless app
- 🤯 Frustrating setup

**Reported bugs**

- App crashes frequently
- Inability to change app language
- Devices randomly disconnecting from app
- Inaccurate filter life reporting

**Requested features**

- Scheduling options for auto mode
- Ability to order filters directly from app
- Improved app stability and reliability


### 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 Molekule free?

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

### Is Function Health free?

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

### Which has better reviews, Molekule or Function Health?

Function Health is rated higher. Molekule averages 4.4 out of 5 from 11K ratings, while Function Health averages 4.9 from 25K ratings.

### Do Molekule or Function Health have ads?

Neither Molekule nor Function Health shows ads.

### Which is updated more often, Molekule or Function Health?

Molekule ships an update every 2 months, and Function Health weekly. Most recently, Molekule was updated on September 28, 2026 and Function Health on September 29, 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.*