# SmartGo One vs Twelve Piece Shogi

The clearest difference is in-app purchases: Twelve Piece Shogi at none against SmartGo One's 47. Twelve Piece Shogi also leads on iOS requirement (10.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SmartGo One sells 47 in-app purchases, starting at $4.99 per month. Twelve Piece Shogi asks for nothing beyond the download.

## The numbers

| Metric | SmartGo One | Twelve Piece Shogi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2K ratings)](https://appshunter.io/ios/app/smartgo-one/id1465746992/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 157 MB | 57 MB |
| Requires iOS | 26.0 | **10.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Go, Inc.](https://appshunter.io/developer/290948289) | [PLAYMORE OU](https://appshunter.io/developer/1530908805) |

## What reviewers say

### SmartGo One

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

Learn, play, and study the ancient game of Go with this comprehensive app. It offers adjustable board sizes, a powerful AI engine, interactive books, and a vast database of professional games to help you improve your skills.

**Highlights:** Multiple board sizes (9x9 to 19x19), Powerful KataGo AI engine, Interactive Go books, 138,000+ professional game records, Go problems and tutorials, Pattern matching for game analysis, Record, annotate, and edit games

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

**In-app purchases (47)**

| 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 |
| Tesuji for Beginners | $14.99 | 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


### Twelve Piece Shogi

[App page](https://appshunter.io/ios/app/twelve-piece-shogi/id1531326643)

**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 Twelve Piece Shogi free?

Twelve Piece Shogi is free to download, with no in-app purchases.

### Do SmartGo One or Twelve Piece Shogi have ads?

Neither SmartGo One nor Twelve Piece Shogi 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.*