# 4k Weeks vs Arion

The clearest difference is price: Arion at Free against 4k Weeks's $1.99. Arion also leads on iOS requirement (15.1 vs 18.4). 4k Weeks's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Arion is free to download; 4k Weeks costs $1.99 up front. Arion sells 2 in-app purchases, starting at $9.99 per month. 4k Weeks asks for nothing beyond the download.

## The numbers

| Metric | 4k Weeks | Arion |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/arion-biohacking-and-longevity/id6755106193/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Monetization | — | Subscription |
| Size | 9 MB | 54 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALBERT DONAIRE ESCRIGAS](https://appshunter.io/developer/1805379390) | [Les Nants](https://appshunter.io/developer/1807100390) |

## What reviewers say

### 4k Weeks

[App page](https://appshunter.io/ios/app/4k-weeks/id6744328745)

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

**In-app purchases:** none


### Arion

[App page](https://appshunter.io/ios/app/arion-biohacking-and-longevity/id6755106193)

This app provides a personalized plan to enhance long-term health and vitality by optimizing six key pillars: exercise, sleep, nutrition, mind-body harmony, thermal exposure, and social connection. It offers daily biohacking actions and a longevity score to track biological progress.

**Highlights:** Personalized longevity plan, Daily biohacking actions, Longevity Score tracking, Optimizing exercise, sleep, nutrition, Mind-body harmony guidance, Thermal exposure and social connection advice

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Yearly Plan | $39.99 | per year |


## Frequently asked questions

### Is 4k Weeks free?

4k Weeks costs $1.99, with no in-app purchases.

### Is Arion free?

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

### Do 4k Weeks or Arion have ads?

Arion shows ads; 4k Weeks does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*