# SmartGo One vs Doctor Go

The clearest difference is review sentiment: SmartGo One at 77% against Doctor Go's 25%. Doctor Go's advantage is in-app purchases (none vs 10) and iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SmartGo One sells 10 in-app purchases, starting at $4.99 per month. Doctor Go asks for nothing beyond the download.

SmartGo One ships an update every 8 days, Doctor Go every 10 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SmartGo One | Doctor Go |
| --- | --- | --- |
| 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** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 157 MB | 21 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Go, Inc.](https://appshunter.io/developer/290948289) | [Lim Sangjin](https://appshunter.io/developer/1437057653) |

## 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartGo One Pro – Monthly | $4.99 | per month |
| Pro Games and Features | $29.99 | per year |
| Go Problems Master Collection | $3.99 | one-time |
| Go Problems Add-on 1: Easy | $3.99 | one-time |
| Go: A Complete Introduction | $5.99 | one-time |
| How Not to Play Go | $5.99 | one-time |
| Learn to Play Go 1 | $7.99 | one-time |
| Graded Go Problems 1 | $9.99 | one-time |
| Fundamental Principles of Go | $11.99 | 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


### Doctor Go

[App page](https://appshunter.io/ios/app/doctor-go/id6766081867)

Learn the ancient game of Go with interactive lessons and AI opponents. Master rules, shapes, and puzzles with clear feedback and a glossary of terms. Play on various board sizes and rule sets with no ads or tracking.

**Highlights:** Interactive chapter-based lessons, Glossary of 50+ Go terms with diagrams, Mini puzzles for life-and-death and endgame, Four AI difficulty tiers, Support for 9, 13, 19 line boards, Korean, Japanese, Chinese rules, Friendly board UI with hints

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartGo One free?

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

### Is Doctor Go free?

Doctor Go is free to download, with no in-app purchases.

### Do SmartGo One or Doctor Go have ads?

Neither SmartGo One nor Doctor Go shows ads.

### Which is updated more often, SmartGo One or Doctor Go?

SmartGo One ships an update every 8 days, and Doctor Go every 10 days. Most recently, SmartGo One was updated on November 6, 2026 and Doctor Go on November 5, 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.*