# Castle Rhythm Runner vs Dumb

The clearest difference is ads: Dumb at none against Castle Rhythm Runner's shown. Dumb also leads on update cadence (every 9 days vs every 4 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

Castle Rhythm Runner ships an update every 4 months, Dumb every 9 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Castle Rhythm Runner | Dumb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dumb-fish/id6751790324/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 285 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Viziverse](https://appshunter.io/developer/1646119480) | [Absurd Technologies LLC](https://appshunter.io/developer/1680244675) |

## What reviewers say

### Castle Rhythm Runner

[App page](https://appshunter.io/ios/app/castle-rhythm-runner/id6443457484)

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

**In-app purchases:** none


### Dumb

[App page](https://appshunter.io/ios/app/dumb-fish/id6751790324)

Engage in strategic gameplay with a unique chess engine. This application offers a straightforward way to play chess, focusing on its core mechanics. Enjoy a simple yet engaging experience designed for chess enthusiasts.

**Highlights:** Chess gameplay, Unique engine, Simple interface, Strategic challenges

**In-app purchases:** none


## Frequently asked questions

### Is Castle Rhythm Runner free?

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

### Is Dumb free?

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

### Do Castle Rhythm Runner or Dumb have ads?

Castle Rhythm Runner shows ads; Dumb does not.

### Which is updated more often, Castle Rhythm Runner or Dumb?

Castle Rhythm Runner ships an update every 4 months, and Dumb every 9 days. Most recently, Castle Rhythm Runner was updated on November 7, 2026 and Dumb on October 30, 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.*