# 바둑 사활 vs 미라클 브레인(Miracle Brain)

The clearest difference is ads: 미라클 브레인(Miracle Brain) at none against 바둑 사활's shown. 바둑 사활's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.5). 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.

바둑 사활 ships an update every 3 months, 미라클 브레인(Miracle Brain) every 2 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 바둑 사활 | 미라클 브레인(Miracle Brain) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/3000/id6447662233/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 158 MB | 12 MB |
| Requires iOS | **11.0** | 16.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [jongsin kim](https://appshunter.io/developer/1214856091) | [goldenplanet](https://appshunter.io/developer/1446858240) |

## What reviewers say

### 바둑 사활

[App page](https://appshunter.io/ios/app/3000/id6447662233)

This app offers a vast collection of Go problems, with over 2,800 available for free. It's designed to help players of all levels improve their game through practice and AI-assisted feedback. The problems are categorized by difficulty and include answer keys and reference charts.

**Highlights:** 3000 Go problems, Over 2,800 free problems, Beginner, intermediate, and advanced levels, Answer keys and reference charts, AI response for practice, Constant updates

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

**In-app purchases:** none


### 미라클 브레인(Miracle Brain)

[App page](https://appshunter.io/ios/app/miracle-brain/id6479227526)

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

**In-app purchases:** none


## Frequently asked questions

### Is 바둑 사활 free?

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

### Is 미라클 브레인(Miracle Brain) free?

미라클 브레인(Miracle Brain) is free to download, with no in-app purchases.

### Do 바둑 사활 or 미라클 브레인(Miracle Brain) have ads?

바둑 사활 shows ads; 미라클 브레인(Miracle Brain) does not.

### Which is updated more often, 바둑 사활 or 미라클 브레인(Miracle Brain)?

바둑 사활 ships an update every 3 months, and 미라클 브레인(Miracle Brain) every 2 months. Most recently, 바둑 사활 was updated on October 15, 2026 and 미라클 브레인(Miracle Brain) on October 11, 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.*