# DexaFit ai vs Function Health

The clearest difference is rating: Function Health at 4.9 against DexaFit ai's 3.5. Function Health also leads on review sentiment (62% vs 24%) and ratings volume (25K vs 41). DexaFit ai's advantage is monetization model (ad-supported vs subscription) and device support (3 vs 1). On price, update cadence, 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 3.5. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 41, so its average is the more settled of the two. Written reviews point the same way: 24% of DexaFit ai's written reviews are positive against 62% of Function Health's.

DexaFit ai ships an update every 2 weeks, Function Health weekly. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | DexaFit ai | Function Health |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (41 ratings)](https://appshunter.io/ios/app/dexafit-ai/id1444806342/reviews) | **[4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews)** |
| Number of ratings | 41 | **25K** |
| Positive reviews | 24.0% of reviews | **61.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Ad-supported** | Subscription |
| Size | 109 MB | 199 MB |
| Requires iOS | **15.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [DexaFit](https://appshunter.io/developer/1444806341) | [Function Health](https://appshunter.io/developer/1715014524) |

## What reviewers say

### DexaFit ai

[App page](https://appshunter.io/ios/app/dexafit-ai/id1444806342)

This app uses AI and medical-grade diagnostics to analyze your body composition, metabolic health, and biological age. It connects these insights with your lifestyle to provide personalized guidance for a healthier and longer life.

**Highlights:** AI-powered health analysis, Medical-grade diagnostics, Track VO₂ max, Visceral fat and muscle quality monitoring, Estimate biological age, Personalized health insights, Health App integration

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### 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 DexaFit ai free?

DexaFit ai 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, DexaFit ai or Function Health?

Function Health is rated higher. DexaFit ai averages 3.5 out of 5 from 41 ratings, while Function Health averages 4.9 from 25K ratings.

### Do DexaFit ai or Function Health have ads?

Neither DexaFit ai nor Function Health shows ads.

### Which is updated more often, DexaFit ai or Function Health?

DexaFit ai ships an update every 2 weeks, and Function Health weekly. Most recently, DexaFit ai was updated on September 20, 2026 and Function Health on September 24, 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.*