# Function Health vs MitoCollar

The clearest difference is monetization model: MitoCollar at free against Function Health's subscription. MitoCollar also leads on device support (3 vs 1). Function Health's advantage is ratings volume (25K vs 2). On price, rating, update cadence and ads 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 MitoCollar. 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.

Function Health ships an update weekly, MitoCollar every 5 days. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Function Health | MitoCollar |
| --- | --- | --- |
| 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/mitocollar/id6751916217/reviews)** |
| Number of ratings | **25K** | 2 |
| Positive reviews | 62.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Subscription | **Free** |
| Size | 203 MB | 66 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Function Health](https://appshunter.io/developer/1715014524) | [Erchonia Corporation, LLC](https://appshunter.io/developer/1813624007) |

## 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


### MitoCollar

[App page](https://appshunter.io/ios/app/mitocollar/id6751916217)

This app allows pet owners to manage and schedule laser therapy sessions for their animals using a wearable collar. It offers personalized settings, a library of treatment protocols, and session tracking for consistent wellness routines.

**Highlights:** Manage multiple animal profiles, Built-in treatment protocols, Schedule sessions in advance, Track treatment history, Control sessions from phone

**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 MitoCollar free?

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

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

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

### Do Function Health or MitoCollar have ads?

Neither Function Health nor MitoCollar shows ads.

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

Function Health ships an update weekly, and MitoCollar every 5 days. Most recently, Function Health was updated on October 16, 2026 and MitoCollar on September 28, 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.*