# 선인 장기 vs Dr. Logic

The clearest difference is review sentiment: Dr. Logic at 100% against 선인 장기's 60%. Dr. Logic also leads on iOS requirement (12.0 vs 15.0). 선인 장기's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 선인 장기 | Dr. Logic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dr-logic/id1606638625/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 32 MB | 23 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TB SOFT(SK)](https://appshunter.io/developer/495095043) | [SUD Inc.](https://appshunter.io/developer/453469451) |

## What reviewers say

### 선인 장기

[App page](https://appshunter.io/ios/app/id495095040)

Experience authentic Korean chess with this app, offering a clean and powerful interface for all skill levels. Challenge a strong AI with 20 difficulty levels or play against friends. Review past games and learn new strategies with helpful tools.

**Highlights:** 20-level AI difficulty, Customizable board setups, Human vs AI, Human vs Human, AI vs AI modes, Replay and undo functions, Save game records, Intuitive touch controls

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

**In-app purchases:** none


### Dr. Logic

[App page](https://appshunter.io/ios/app/dr-logic/id1606638625)

Engage your mind with logic puzzles. Solve challenges by deciphering clues and deducing the correct answers. Perfect for quick brain teasers.

**Highlights:** Logic puzzles, Clue-based challenges, Deductive reasoning, Brain training, Puzzle solving

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

**In-app purchases:** none


## Frequently asked questions

### Is 선인 장기 free?

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

### Is Dr. Logic free?

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

### Do 선인 장기 or Dr. Logic have ads?

Dr. Logic shows ads; 선인 장기 does not.

### Which is updated more often, 선인 장기 or Dr. Logic?

선인 장기 ships an update fortnightly, and Dr. Logic fortnightly. Most recently, 선인 장기 was updated on November 1, 2026 and Dr. Logic on November 3, 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.*