# Function Health vs CartKind

The clearest difference is in-app purchases: Function Health at none against CartKind's 2. Function Health also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Function Health ships an update weekly, CartKind every 2 months. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Function Health | CartKind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews)** | — |
| Number of ratings | **25K** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 206 MB | 2 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Function Health](https://appshunter.io/developer/1715014524) | [Tyche Ventures LLC](https://appshunter.io/developer/1837337017) |

## What reviewers say

### Function Health

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

Gain deep insights into your health with over 160 lab tests annually, personalized protocols, and AI-powered chat. Understand your body's evolution, track progress, and make informed changes with advanced science and your data.

**Highlights:** 160+ annual lab tests, Personalized health protocols, AI-powered private chat, Home or office blood draws, Advanced MRI & CT scans, Connect wearables, 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


### CartKind

[App page](https://appshunter.io/ios/app/cartkind-ingredient-scanner/id6761304996)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CartKind Premium Monthly | $4.99 | per month |
| CartKind Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Function Health free?

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

### Is CartKind free?

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

### Do Function Health or CartKind have ads?

Neither Function Health nor CartKind shows ads.

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

Function Health ships an update weekly, and CartKind every 2 months. Most recently, Function Health was updated on November 12, 2026 and CartKind on November 5, 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.*