# Castle Rhythm Runner vs Drive Doodle

The clearest difference is ads: Drive Doodle at none against Castle Rhythm Runner's shown. Drive Doodle also leads on update cadence (every 2 months 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, Drive Doodle every 2 months. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Castle Rhythm Runner | Drive Doodle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drive-doodle/id6743663842/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 285 MB | 78 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viziverse](https://appshunter.io/developer/1646119480) | [Amun Studios LLC](https://appshunter.io/developer/1756651817) |

## 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


### Drive Doodle

[App page](https://appshunter.io/ios/app/drive-doodle/id6743663842)

Control a moving block to paint colorful trails on a canvas, creating unique patterns and designs. Customize colors, line thickness, and movement speed for a relaxing and creative drawing experience.

**Highlights:** Control a moving block to draw, Variety of colors, Customizable canvas color, Adjustable line thickness, Adjustable speed and turning speed

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

**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 Drive Doodle free?

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

### Do Castle Rhythm Runner or Drive Doodle have ads?

Castle Rhythm Runner shows ads; Drive Doodle does not.

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

Castle Rhythm Runner ships an update every 4 months, and Drive Doodle every 2 months. Most recently, Castle Rhythm Runner was updated on October 25, 2026 and Drive Doodle on November 4, 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.*