# Go Master 2017 vs 围棋之书

The clearest difference is in-app purchases: Go Master 2017 at none against 围棋之书's 3. Go Master 2017 also leads on review sentiment (96% vs 71%) and ratings volume (8 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. 围棋之书 sells 3 in-app purchases, starting at $2.99 per month. Go Master 2017 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Go Master 2017 against 5.0 for 围棋之书. That said, the two scores are not equally well evidenced: Go Master 2017 has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 96% of Go Master 2017's written reviews are positive against 71% of 围棋之书's.

Go Master 2017 ships an update every 3 weeks, 围棋之书 monthly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Go Master 2017 | 围棋之书 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/go-master-2017/id1256305602/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1644286562/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | **95.7% of reviews** | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 6 MB | 72 MB |
| Requires iOS | **9.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wenzhang Zhu](https://appshunter.io/developer/1244344456) | [文艺 邓](https://appshunter.io/developer/1644286564) |

## What reviewers say

### Go Master 2017

[App page](https://appshunter.io/ios/app/go-master-2017/id1256305602)

This app offers a free library of Go problems for learners of all levels, from beginner to advanced. It provides detailed explanations, solutions, and variations for each problem, encouraging proactive learning with note-taking tools.

**Highlights:** Free Go problem library, Problems for all levels (40k to 9d), Covers all game stages, Proactive learning encouragement, Detailed explanations and solutions, Note-taking tools

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

**In-app purchases:** none


### 围棋之书

[App page](https://appshunter.io/ios/app/id1644286562)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $2.99 | per month |
| 连续包年 | $29.99 | per year |
| 永久会员 | $24.99 | one-time |


## Frequently asked questions

### Is Go Master 2017 free?

Go Master 2017 is free to download, with no in-app purchases.

### Is 围棋之书 free?

围棋之书 is free to download, with in-app purchases available.

### Which has better reviews, Go Master 2017 or 围棋之书?

Go Master 2017 and 围棋之书 are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do Go Master 2017 or 围棋之书 have ads?

Neither Go Master 2017 nor 围棋之书 shows ads.

### Which is updated more often, Go Master 2017 or 围棋之书?

Go Master 2017 ships an update every 3 weeks, and 围棋之书 monthly. Most recently, Go Master 2017 was updated on October 24, 2026 and 围棋之书 on October 9, 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.*