# Underc0de vs Catan Layouts

The clearest difference is in-app purchases: Catan Layouts at none against Underc0de's 1. Underc0de's advantage is update cadence (every 3 weeks vs every 17 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Underc0de sells 1 in-app purchase, starting at $1.99 per month. Catan Layouts asks for nothing beyond the download.

Underc0de ships an update every 3 weeks, Catan Layouts every 17 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Underc0de | Catan Layouts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 17 months |
| Size | 56 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Danilo Vezzoni](https://appshunter.io/developer/1591330977) | [Omer Faruk Mesebuken](https://appshunter.io/developer/1655501999) |

## What reviewers say

### Underc0de

[App page](https://appshunter.io/ios/app/underc0de/id1591350156)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Underc0de PRO | $1.99 | per month |


### Catan Layouts

[App page](https://appshunter.io/ios/app/catan-layouts/id6474543366)

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

**In-app purchases:** none


## Frequently asked questions

### Is Underc0de free?

Underc0de is free to download, with in-app purchases available.

### Is Catan Layouts free?

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

### Do Underc0de or Catan Layouts have ads?

Neither Underc0de nor Catan Layouts shows ads.

### Which is updated more often, Underc0de or Catan Layouts?

Underc0de ships an update every 3 weeks, and Catan Layouts every 17 months. Most recently, Underc0de was updated on October 27, 2026 and Catan Layouts on October 27, 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.*