# The PHI vs Ethereal Movement

The clearest difference is update cadence: The PHI at every 3 months against Ethereal Movement's every 11 months. The PHI also leads on iOS requirement (13.5 vs 16.4). 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.

The PHI ships an update every 3 months, Ethereal Movement every 11 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The PHI | Ethereal Movement |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Size | 14 MB | 121 MB |
| Requires iOS | **13.5** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Phi Strength and Conditioning Inc](https://appshunter.io/developer/1790844630) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### The PHI

[App page](https://appshunter.io/ios/app/the-phi/id6740625134)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ethereal Movement

[App page](https://appshunter.io/ios/app/ethereal-movement/id6753698392)

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

**In-app purchases:** none


## Frequently asked questions

### Is The PHI free?

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

### Is Ethereal Movement free?

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

### Do The PHI or Ethereal Movement have ads?

Neither The PHI nor Ethereal Movement shows ads.

### Which is updated more often, The PHI or Ethereal Movement?

The PHI ships an update every 3 months, and Ethereal Movement every 11 months. Most recently, The PHI was updated on October 9, 2026 and Ethereal Movement 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.*