# Function Health vs SOVRN Performance Lab

The clearest difference is update cadence: Function Health at weekly against SOVRN Performance Lab's every 6 months. On price, ads, in-app purchases and device support 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 ships an update weekly, SOVRN Performance Lab every 6 months. The most recent releases landed on September 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Function Health | SOVRN Performance Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews)** | — |
| Number of ratings | **25K** | — |
| Positive reviews | 61.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Subscription | — |
| Size | 201 MB | 41 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Function Health](https://appshunter.io/developer/1715014524) | [Jonathan Davenport](https://appshunter.io/developer/1813496488) |

## What reviewers say

### 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


### SOVRN Performance Lab

[App page](https://appshunter.io/ios/app/sovrn-performance-lab/id6745721709)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Function Health free?

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

### Is SOVRN Performance Lab free?

SOVRN Performance Lab is free to download, with no in-app purchases.

### Do Function Health or SOVRN Performance Lab have ads?

Neither Function Health nor SOVRN Performance Lab shows ads.

### Which is updated more often, Function Health or SOVRN Performance Lab?

Function Health ships an update weekly, and SOVRN Performance Lab every 6 months. Most recently, Function Health was updated on September 25, 2026 and SOVRN Performance Lab on September 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.*