# Castle Coders vs 1人ウミガメ

The clearest difference is ads: Castle Coders at none against 1人ウミガメ's shown. Castle Coders also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.4). 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.

## The numbers

| Metric | Castle Coders | 1人ウミガメ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Daily | — |
| Size | 47 MB | 49 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Kyle Jeffrey Lin](https://appshunter.io/developer/1765607816) | [Tomohiro Matsuo](https://appshunter.io/developer/1544990050) |

## What reviewers say

### Castle Coders

[App page](https://appshunter.io/ios/app/castle-coders/id6670284072)

**Features:** macOS Compatibility

**In-app purchases:** none


### 1人ウミガメ

[App page](https://appshunter.io/ios/app/1/id6814708651)

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

**In-app purchases:** none


## Frequently asked questions

### Is Castle Coders free?

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

### Is 1人ウミガメ free?

1人ウミガメ is free to download, with no in-app purchases.

### Do Castle Coders or 1人ウミガメ have ads?

1人ウミガメ shows ads; Castle Coders does not.

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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.*