# Casuarina Square vs Silks Darwin

The clearest difference is update cadence: Silks Darwin at every 2 months against Casuarina Square's every 8 months. Silks Darwin also leads on device support. Casuarina Square's advantage is iOS requirement (13.0 vs 15.0). On price 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.

Casuarina Square ships an update every 8 months, Silks Darwin every 2 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Casuarina Square | Silks Darwin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 65 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [SENTINEL PROPERTY GROUP PTY LTD](https://appshunter.io/developer/1729506358) | [DNS Specialist Services](https://appshunter.io/developer/1597198771) |

## What reviewers say

### Casuarina Square

[App page](https://appshunter.io/ios/app/casuarina-square/id6477503598)

**In-app purchases:** none


### Silks Darwin

[App page](https://appshunter.io/ios/app/silks-darwin/id6739092117)

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

**In-app purchases:** none


## Frequently asked questions

### Is Casuarina Square free?

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

### Is Silks Darwin free?

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

### Which is updated more often, Casuarina Square or Silks Darwin?

Casuarina Square ships an update every 8 months, and Silks Darwin every 2 months. Most recently, Casuarina Square was updated on October 7, 2026 and Silks Darwin on October 16, 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.*