# Immortals Bryan Johnson vs Behavioral Experiment

The clearest difference is update cadence: Immortals Bryan Johnson at every 5 days against Behavioral Experiment's every 3 weeks. Immortals Bryan Johnson also leads on iOS requirement (15.1 vs 17.0). 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.

Immortals Bryan Johnson ships an update every 5 days, Behavioral Experiment every 3 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Immortals Bryan Johnson | Behavioral Experiment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/immortals-bryan-johnson/id6761206137/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 95 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Blueprint Bryan Johnson](https://appshunter.io/developer/1736333773) | [Everyday Insight LLC](https://appshunter.io/developer/6775709399) |

## What reviewers say

### Immortals Bryan Johnson

[App page](https://appshunter.io/ios/app/immortals-bryan-johnson/id6761206137)

This app helps you create a personalized longevity plan based on your health data and research. Connect wearables, upload biomarkers, and receive insights to optimize your well-being. It's free and adapts to your unique biology.

**Highlights:** Personalized longevity protocol, Connects to multiple wearables, Uploads health biomarkers and labs, AI-driven health insights, Expert-designed algorithm, Interactive Q&A with BryanAI

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

**In-app purchases:** none


### Behavioral Experiment

[App page](https://appshunter.io/ios/app/behavioral-experiment/id6810320894)

**In-app purchases:** none


## Frequently asked questions

### Is Immortals Bryan Johnson free?

Immortals Bryan Johnson is free to download, with no in-app purchases.

### Is Behavioral Experiment free?

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

### Do Immortals Bryan Johnson or Behavioral Experiment have ads?

Neither Immortals Bryan Johnson nor Behavioral Experiment shows ads.

### Which is updated more often, Immortals Bryan Johnson or Behavioral Experiment?

Immortals Bryan Johnson ships an update every 5 days, and Behavioral Experiment every 3 weeks. Most recently, Immortals Bryan Johnson was updated on October 17, 2026 and Behavioral Experiment on October 11, 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.*