# Shadow OS vs Folio

The clearest difference is ads: Shadow OS at none against Folio's shown. Shadow OS also leads on iOS requirement (15.1 vs 26.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Shadow OS sells 3 in-app purchases, starting at $9.99 per month and Folio sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Shadow OS ships an update every 6 days, Folio every 5 days. The most recent releases landed on October 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Shadow OS | Folio |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 52 MB | 14 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Phonix & Aura LLC](https://appshunter.io/developer/1866703420) | [Rhys Dominguez](https://appshunter.io/developer/1890492597) |

## What reviewers say

### 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 |


### Folio

[App page](https://appshunter.io/ios/app/folio-mindful-journaling/id6761620139)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folio Weekly Plan | $9.99 | per 7 days |
| Folio Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is Shadow OS free?

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

### Is Folio free?

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

### Do Shadow OS or Folio have ads?

Folio shows ads; Shadow OS does not.

### Which is updated more often, Shadow OS or Folio?

Shadow OS ships an update every 6 days, and Folio every 5 days. Most recently, Shadow OS was updated on October 6, 2026 and Folio on September 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.*