# Essence Profile vs Shadow OS

The clearest difference is in-app purchases: Essence Profile at none against Shadow OS's 3. Shadow OS's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Shadow OS sells 3 in-app purchases, starting at $9.99 per month. Essence Profile asks for nothing beyond the download.

Essence Profile ships an update every 2 weeks, Shadow OS every 6 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Essence Profile | Shadow OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/shadow-os/id6757407948/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 99 MB | 52 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enlighten DNK](https://appshunter.io/developer/1740001583) | [Phonix & Aura LLC](https://appshunter.io/developer/1866703420) |

## What reviewers say

### Essence Profile

[App page](https://appshunter.io/ios/app/essence-profile/id6482997915)

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

**In-app purchases:** none


### Shadow OS

[App page](https://appshunter.io/ios/app/shadow-os/id6757407948)

This app helps you understand your personal patterns by tracking your choices, habits, and daily signals. It provides weekly and monthly insights into what connects, repeats, and changes in your behavior, offering a data-driven approach to self-awareness without dictating actions.

**Highlights:** Track daily signals and check-ins, Analyze habits and timing, Receive weekly and monthly reads, Explore Jung-inspired archetypes, Compare baseline to actual choices, View evidence behind insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shadow OS Premium | $9.99 | per month |
| Shadow OS Annual | $79.99 | per year |
| Shadow OS Lifetime | $129.00 | one-time |


## Frequently asked questions

### Is Essence Profile free?

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

### Is Shadow OS free?

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

### Do Essence Profile or Shadow OS have ads?

Neither Essence Profile nor Shadow OS shows ads.

### Which is updated more often, Essence Profile or Shadow OS?

Essence Profile ships an update every 2 weeks, and Shadow OS every 6 days. Most recently, Essence Profile was updated on October 9, 2026 and Shadow OS on October 6, 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.*