# fourf vs Shadow Self

The clearest difference is iOS requirement: Shadow Self at 15.0 against fourf's 17.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

fourf ships an update every 5 days, Shadow Self every 6 days. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | fourf | Shadow Self |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free | — |
| Size | 5 MB | 7 MB |
| Requires iOS | 17.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Salih Bora Ozturk](https://appshunter.io/developer/1729658833) | [yehuda breuer](https://appshunter.io/developer/1877033625) |

## What reviewers say

### fourf

[App page](https://appshunter.io/ios/app/fourf/id6503328526)

Capture thoughts, memories, and routines effortlessly with this journaling app. Its chat-like interface and social features allow for shared memories and easy organization across devices. Build a consistent habit with reminders and customizable appearance.

**Highlights:** Chat-like journaling interface, Mention friends for shared memories, Single-tap routine tracking, Effortless organization and search, Multi-device compatibility, Customizable appearance, Journaling habit reminders

**Features:** macOS Compatibility

**In-app purchases:** none


### Shadow Self

[App page](https://appshunter.io/ios/app/shadow-self/id6759146370)

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

**In-app purchases:** none


## Frequently asked questions

### Is fourf free?

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

### Is Shadow Self free?

Shadow Self is free to download, with no in-app purchases.

### Do fourf or Shadow Self have ads?

Neither fourf nor Shadow Self shows ads.

### Which is updated more often, fourf or Shadow Self?

fourf ships an update every 5 days, and Shadow Self every 6 days. Most recently, fourf was updated on October 15, 2026 and Shadow Self on October 10, 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.*