# おいしいおえかき SketchCook vs Optical Illusion Book

The clearest difference is in-app purchases: おいしいおえかき SketchCook at none against Optical Illusion Book's 1. おいしいおえかき SketchCook also leads on iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Optical Illusion Book sells 1 one-off in-app purchase. おいしいおえかき SketchCook asks for nothing beyond the download.

## The numbers

| Metric | おいしいおえかき SketchCook | Optical Illusion Book |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 252 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [大塚製薬株式会社](https://appshunter.io/developer/392187188) | [Mishima Design](https://appshunter.io/developer/373060551) |

## What reviewers say

### おいしいおえかき SketchCook

[App page](https://appshunter.io/ios/app/sketchcook/id1382197965)

This app transforms children's food drawings into recipes using AI. It helps families learn about food and nutrition together by turning sketches into cooking instructions and suggesting balanced meal combinations.

**Highlights:** Draw food pictures, Convert drawings to recipes with AI, Learn about nutrition, Create balanced meal plans, Cook together with family

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

**In-app purchases:** none


### Optical Illusion Book

[App page](https://appshunter.io/ios/app/optical-illusion-book/id6801408868)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete Collection | $14.99 | one-time |


## Frequently asked questions

### Is おいしいおえかき SketchCook free?

おいしいおえかき SketchCook is free to download, with no in-app purchases.

### Is Optical Illusion Book free?

Optical Illusion Book is free to download, with in-app purchases available.

### Do おいしいおえかき SketchCook or Optical Illusion Book have ads?

Neither おいしいおえかき SketchCook nor Optical Illusion Book shows ads.

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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.*