# Snacks AI vs Function Health

The clearest difference is review sentiment: Function Health at 62% against Snacks AI's 25%. Function Health also leads on in-app purchases (none vs 2) and update cadence (weekly vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Snacks AI sells 2 in-app purchases, starting at $12.99 per month. Function Health asks for nothing beyond the download.

Function Health holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of Snacks AI's written reviews are positive against 62% of Function Health's.

Snacks AI ships an update every 16 months, Function Health weekly. Both last shipped on October 3, 2026.

## The numbers

| Metric | Snacks AI | Function Health |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/snacks-ai/id6456651289/reviews) | **[4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews)** |
| Number of ratings | 4 | **25K** |
| Positive reviews | 25.0% of reviews | **62.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | **Weekly** |
| Monetization | **Freemium** | Subscription |
| Size | 77 MB | 201 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Snacks AI Corp](https://appshunter.io/developer/1807196692) | [Function Health](https://appshunter.io/developer/1715014524) |

## What reviewers say

### Snacks AI

[App page](https://appshunter.io/ios/app/snacks-ai/id6456651289)

Effortlessly log your meals by simply taking a photo. This app uses advanced AI and LiDAR technology to identify foods, measure portions, and track your calories and macros with exceptional accuracy. Achieve your health and fitness goals faster with precise, real-time nutrition insights.

**Highlights:** Camera-based food logging, AI food identification, LiDAR-powered portion measurement, Calorie and macro tracking, Smart food lookup, Real-time nutrition insights

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snacks Pro | $12.99 | per month |
| Snacks Pro | $89.99 | per year |


### 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 Snacks AI free?

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

### Is Function Health free?

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

### Which has better reviews, Snacks AI or Function Health?

Function Health is rated higher. Snacks AI averages 4.5 out of 5 from 4 ratings, while Function Health averages 4.9 from 25K ratings.

### Do Snacks AI or Function Health have ads?

Neither Snacks AI nor Function Health shows ads.

### Which is updated more often, Snacks AI or Function Health?

Snacks AI ships an update every 16 months, and Function Health weekly. Most recently, Snacks AI was updated on October 3, 2026 and Function Health on October 3, 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.*