# Project Serotonin vs Biopeak

The clearest difference is update cadence: Biopeak at weekly against Project Serotonin's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Project Serotonin ships an update every 3 weeks, Biopeak weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Project Serotonin | Biopeak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/project-serotonin/id1316376485/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 177 MB | 50 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Serotonin Inc](https://appshunter.io/developer/1316376484) | [Biopeak Health](https://appshunter.io/developer/1815436061) |

## What reviewers say

### Project Serotonin

[App page](https://appshunter.io/ios/app/project-serotonin/id1316376485)

This platform offers personalized health protocols based on your biomarkers, genetics, and lifestyle. It helps optimize foundational health, reduce disease risk, and improve longevity through targeted recommendations for diet, sleep, exercise, and supplementation.

**Highlights:** Personalized health protocols, Supplement tracking and scanning, Diet, fasting, and lifestyle logging, Biomarker tracking and lab ordering, Wearable device integration, Expert care concierge support, Community motivation features

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

**In-app purchases:** none


### Biopeak

[App page](https://appshunter.io/ios/app/biopeak/id6759485756)

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

**In-app purchases:** none


## Frequently asked questions

### Is Project Serotonin free?

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

### Is Biopeak free?

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

### Do Project Serotonin or Biopeak have ads?

Neither Project Serotonin nor Biopeak shows ads.

### Which is updated more often, Project Serotonin or Biopeak?

Project Serotonin ships an update every 3 weeks, and Biopeak weekly. Most recently, Project Serotonin was updated on October 23, 2026 and Biopeak on October 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.*