# Function Health vs Dad Unit

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

Both are free to download. Dad Unit sells 2 in-app purchases, starting at $24.99 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 Dad Unit. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 29, 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 Dad Unit's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Function Health | Dad Unit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews) | **[5.0 (29 ratings)](https://appshunter.io/ios/app/dad-unit/id6761304703/reviews)** |
| Number of ratings | **25K** | 29 |
| Positive reviews | 62.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | **#205** | — |
| Size | 202 MB | 106 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Function Health](https://appshunter.io/developer/1715014524) | [MICAH ALLEN MEHAN](https://appshunter.io/developer/1888780766) |

## What reviewers say

### Function Health

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

**Currently charting:** #205 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


### Dad Unit

[App page](https://appshunter.io/ios/app/dad-unit/id6761304703)

This app is a gamified fitness community designed for fathers, offering functional strength training and personalized nutrition. It fosters accountability through team-based challenges and leaderboards, with an AI coach to guide progress.

**Highlights:** Gamified fitness tracking, Functional strength training, Personalized nutrition plans, AI coaching (Sergeant Gains), Team-based challenges (Fire Teams), Daily habit tracking, Progressive leaderboards

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dad Unit Pro | $24.99 | per month |
| Yearly Pro | $249.99 | per year |


## Frequently asked questions

### Is Function Health free?

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

### Is Dad Unit free?

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

### Which has better reviews, Function Health or Dad Unit?

Dad Unit is rated higher. Function Health averages 4.9 out of 5 from 25K ratings, while Dad Unit averages 5.0 from 29 ratings.

### Do Function Health or Dad Unit have ads?

Dad Unit shows ads; Function Health does not.

### Which is updated more often, Function Health or Dad Unit?

Function Health ships an update weekly, and Dad Unit weekly. Most recently, Function Health was updated on October 16, 2026 and Dad Unit 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.*