# SmartGo One vs 렛츠고 바둑 대모험

The clearest difference is in-app purchases: 렛츠고 바둑 대모험 at none against SmartGo One's 46. 렛츠고 바둑 대모험 also leads on review sentiment (100% vs 77%) and iOS requirement (12.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SmartGo One sells 46 in-app purchases, starting at $4.99 per month. 렛츠고 바둑 대모험 asks for nothing beyond the download.

SmartGo One ships an update every 2 weeks, 렛츠고 바둑 대모험 weekly. The most recent releases landed on September 25, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SmartGo One | 렛츠고 바둑 대모험 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/smartgo-one/id1465746992/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 76.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 140 MB | 422 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Go, Inc.](https://appshunter.io/developer/290948289) | [KOREA BADUK ASSOCIATION](https://appshunter.io/developer/1170982425) |

## What reviewers say

### SmartGo One

[App page](https://appshunter.io/ios/app/smartgo-one/id1465746992)

Learn, play, and improve at the ancient game of Go. This app offers adjustable board sizes, a strong AI opponent, and tools to study professional games and solve Go problems. It's designed for players of all skill levels, from beginners to masters.

**Highlights:** Adjustable board sizes (9x9 to 19x19), Strong KataGo game engine, Study professional game records, Solve Go problems and tutorials, Pattern matching for move suggestions, Territory estimator, Game recording and annotation

**Features:** Family Sharing, Vision Pro support

**In-app purchases (46)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartGo One Pro – Monthly | $4.99 | per month |
| Pro Games and Features | $29.99 | per year |
| Just Enough Japanese 1 | Free | one-time |
| Key Concepts in Life and Death | $2.99 | one-time |
| Go Problems Master Collection | $3.99 | one-time |
| Go Problems Add-on 2: Medium | $3.99 | one-time |
| Go Problems Add-on 1: Easy | $3.99 | one-time |
| Go Problems Add-on 3: Hard | $3.99 | one-time |
| Counting Liberties | $4.99 | one-time |
| The Monkey Jump | $4.99 | one-time |
| Double Digit Kyu Games | $5.99 | one-time |
| Go: A Complete Introduction | $5.99 | one-time |
| How Not to Play Go | $5.99 | one-time |
| Encyclopedia of Go Principles | $5.99 | one-time |
| Want to Play Go? Level 1 | $5.99 | one-time |
| Black to Play 30-25 Kyu | $5.99 | one-time |
| The Workshop Lectures 1 | $5.99 | one-time |
| Rethinking Opening Strategy | $6.99 | one-time |
| Learn to Play Go 1 | $7.99 | one-time |
| Learn to Play Go 2 | $7.99 | one-time |
| Learn to Play Go 3 | $7.99 | one-time |
| Correct Joseki | $7.99 | one-time |
| “The Theory of Go” | $7.99 | one-time |
| Learn to Play Go 4 | $7.99 | one-time |
| Buddhist Philosophy Game of Go | $8.99 | one-time |
| Graded Go Problems 1 | $9.99 | one-time |
| Graded Go Problems 2 | $9.99 | one-time |
| Want to Play Go? Level 2 | $9.99 | one-time |
| Basic Techniques of Go | $9.99 | one-time |
| Graded Go Problems 3 | $9.99 | one-time |
| Get Strong at Life and Death | $9.99 | one-time |
| Mastering Mini Go by Mark Tomlinson | $11.99 | one-time |
| Fuseki Revolution | $11.99 | one-time |
| Fundamental Principles of Go | $11.99 | one-time |
| The Basics of Life and Death | $11.99 | one-time |
| Joseki Revolution | $11.99 | one-time |
| Life and Death | $11.99 | one-time |
| A Survey of the Basic Tesujis | $11.99 | one-time |
| Tesuji | $11.99 | one-time |
| AlphaGo to Zero, vol. 4 | $14.99 | one-time |
| Trouble Master, volume 2 | $14.99 | one-time |
| Trouble Master, volume 1 | $14.99 | one-time |
| AlphaGo to Zero, Vol. 2 | $14.99 | one-time |
| Invincible | $24.99 | one-time |
| Essential Go Proverbs | $24.99 | one-time |
| Pro – Lifetime Unlock | $99.00 | one-time |

**What reviewers like**

- 🚀 Awesome app
- 👍 Great for playing and learning Go
- 📚 Excellent integration with Go books
- 🔍 Powerful analysis and review features
- 💻 Seamless experience across devices

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🤔 Unintuitive user interface for beginners
- 💰 Paywall for full 19x19 board and some features
- 🤖 AI too strong for novice players

**Reported bugs**

- Illegal move detection issues on certain board positions
- Problems with missing variations or incorrect answers
- Inconsistent behavior when passing moves

**Requested features**

- Add read-only mode
- Improve move suggestion explanations
- Introduce difficulty settings for AI
- Integrate online play functionality
- Provide more randomness in AI moves


### 렛츠고 바둑 대모험

[App page](https://appshunter.io/ios/app/id6737500813)

This educational game combines traditional Korean Go (Baduk) with popular fairy tales. Players learn Go concepts like 'Hwalro' and 'Jipjitgi' through engaging stories featuring familiar characters. It offers various modes for skill improvement and collectible items.

**Highlights:** Fairy tale integration with Go lessons, 23 stages with familiar characters, Webtoon-style cutscenes and intuitive gameplay, Practice mode with 2,000 problems, Dungeon mode with boss battles, Achievement and collection system, Customizable Go boards and stones

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartGo One free?

SmartGo One is free to download, with in-app purchases available.

### Is 렛츠고 바둑 대모험 free?

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

### Do SmartGo One or 렛츠고 바둑 대모험 have ads?

Neither SmartGo One nor 렛츠고 바둑 대모험 shows ads.

### Which is updated more often, SmartGo One or 렛츠고 바둑 대모험?

SmartGo One ships an update every 2 weeks, and 렛츠고 바둑 대모험 weekly. Most recently, SmartGo One was updated on September 25, 2026 and 렛츠고 바둑 대모험 on September 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.*