# Function Health vs Nuvo

Function Health and Nuvo both sit at 4.9 stars, but that hides the real split: 100% of Nuvo's written reviews are positive against 62% of Function Health's. Nuvo also leads on device support (3 vs 1). Function Health's advantage is in-app purchases (none vs 2) and ratings volume (25K vs 4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Nuvo sells 2 in-app purchases, starting at $4.99 per month. Function Health asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Function Health against 5.0 for Nuvo. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 4, 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 Nuvo's.

Function Health ships an update weekly, Nuvo every 5 days. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Function Health | Nuvo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nuvo-longevity-coach/id6762535065/reviews)** |
| Number of ratings | **25K** | 4 |
| Positive reviews | 61.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | **#201** | — |
| Size | 203 MB | 9 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Function Health](https://appshunter.io/developer/1715014524) | [Firefly Labs LLC](https://appshunter.io/developer/1894561345) |

## What reviewers say

### Function Health

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

**Currently charting:** #201 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


### Nuvo

[App page](https://appshunter.io/ios/app/nuvo-longevity-coach/id6762535065)

Measure your biological age using Apple Health data and blood tests. Track biomarkers, recovery, and habits to understand and improve your healthspan. Personalized recommendations help you live younger longer.

**Highlights:** Biological age calculation from Apple Health, Blood test report analysis, Daily recovery and strain scores, Healthy habit tracking, AI-powered personalized recommendations, On-device data encryption

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nuvo Premium Monthly | $4.99 | per month |
| Nuvo Premium Annual | $24.99 | per year |


## Frequently asked questions

### Is Function Health free?

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

### Is Nuvo free?

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

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

Nuvo is rated higher. Function Health averages 4.9 out of 5 from 25K ratings, while Nuvo averages 5.0 from 4 ratings.

### Do Function Health or Nuvo have ads?

Neither Function Health nor Nuvo shows ads.

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

Function Health ships an update weekly, and Nuvo every 5 days. Most recently, Function Health was updated on October 21, 2026 and Nuvo on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*