# ColorBox EU vs Pencil Sketch Image

The clearest difference is ads: ColorBox EU at none against Pencil Sketch Image's shown. ColorBox EU also leads on iOS requirement (9.3 vs 15.6). Pencil Sketch Image's advantage is device support (3 vs 1). On price, update cadence 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.

ColorBox EU ships an update every 4 months, Pencil Sketch Image every 3 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ColorBox EU | Pencil Sketch Image |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (9 ratings)](https://appshunter.io/ios/app/colorbox-eu/id507753279/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 85 MB | 30 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Batsu](https://appshunter.io/developer/317065169) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### ColorBox EU

[App page](https://appshunter.io/ios/app/colorbox-eu/id507753279)

Create beautiful drawings and sketches with a user-friendly interface. Explore carefully curated color palettes to bring your artistic visions to life.

**Highlights:** Sketching and doodling, Beautiful drawings, Friendly user interface, Curated color palettes

**Features:** macOS Compatibility

**In-app purchases:** none


### Pencil Sketch Image

[App page](https://appshunter.io/ios/app/pencil-sketch-image/id6445859102)

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

**In-app purchases:** none


## Frequently asked questions

### Is ColorBox EU free?

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

### Is Pencil Sketch Image free?

Pencil Sketch Image is free to download, with no in-app purchases.

### Do ColorBox EU or Pencil Sketch Image have ads?

Pencil Sketch Image shows ads; ColorBox EU does not.

### Which is updated more often, ColorBox EU or Pencil Sketch Image?

ColorBox EU ships an update every 4 months, and Pencil Sketch Image every 3 months. Most recently, ColorBox EU was updated on November 1, 2026 and Pencil Sketch Image on November 7, 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.*