# Function Health vs Rouge Care

Function Health and Rouge Care both sit at 4.9 stars, but that hides the real split: 100% of Rouge Care's written reviews are positive against 62% of Function Health's. Rouge Care also leads on monetization model (free vs subscription). Function Health's advantage is ratings volume (25K vs 2) and update cadence (weekly vs monthly). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for Function Health against 5.0 for Rouge Care. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 62% of Function Health's written reviews are positive against 100% of Rouge Care's.

Function Health ships an update weekly, Rouge Care monthly. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Function Health | Rouge Care |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rouge-care/id6763177660/reviews)** |
| Number of ratings | **25K** | 2 |
| Positive reviews | 61.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Subscription | **Free** |
| Best chart rank | **#204** | — |
| Size | 203 MB | 66 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Function Health](https://appshunter.io/developer/1715014524) | [RougeCare](https://appshunter.io/developer/1795191804) |

## What reviewers say

### Function Health

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

**Currently charting:** #204 Top Free · Health & Fitness (US App Store)

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


### Rouge Care

[App page](https://appshunter.io/ios/app/rouge-care/id6763177660)

This app provides structured guidance and automated tracking for red light therapy sessions. It helps users achieve their wellness, recovery, or skin health goals with personalized programs and device control.

**Highlights:** Guided red light therapy programs, Device control (on/off), Personalized goal-based sessions, Automatic session tracking, Usage pattern analysis for recommendations, Consistency tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Function Health free?

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

### Is Rouge Care free?

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

### Which has better reviews, Function Health or Rouge Care?

Rouge Care is rated higher. Function Health averages 4.9 out of 5 from 25K ratings, while Rouge Care averages 5.0 from 2 ratings.

### Do Function Health or Rouge Care have ads?

Neither Function Health nor Rouge Care shows ads.

### Which is updated more often, Function Health or Rouge Care?

Function Health ships an update weekly, and Rouge Care monthly. Most recently, Function Health was updated on October 21, 2026 and Rouge Care on October 14, 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.*