# Tesuji Library vs 围棋SGF阅读器

The clearest difference is price: 围棋SGF阅读器 at Free against Tesuji Library's $5.99. Tesuji Library's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

围棋SGF阅读器 is free to download; Tesuji Library costs $5.99 up front. 围棋SGF阅读器 sells 1 one-off in-app purchase. Tesuji Library asks for nothing beyond the download.

Tesuji Library ships an update every 4 months, 围棋SGF阅读器 every 5 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Tesuji Library | 围棋SGF阅读器 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tesuji-library/id562897263/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Paid | — |
| Size | 243 MB | 24 MB |
| Requires iOS | **12.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [延正 王](https://appshunter.io/developer/499791474) | [丽娜 夏](https://appshunter.io/developer/1084968330) |

## What reviewers say

### Tesuji Library

[App page](https://appshunter.io/ios/app/tesuji-library/id562897263)

Enhance your Go game with this app, focusing on skillful moves and strategic plays. Learn to execute clever tactics to improve your reading ability and win more games.

**Highlights:** Study Go game skills, Learn tesuji (skillful moves), Improve reading ability, Practice strategic plays, Analyze life and death situations

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

**In-app purchases:** none


### 围棋SGF阅读器

[App page](https://appshunter.io/ios/app/sgf/id1253931166)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| You will pay to remove ads. | $1.99 | one-time |


## Frequently asked questions

### Is Tesuji Library free?

Tesuji Library costs $5.99, with no in-app purchases.

### Is 围棋SGF阅读器 free?

围棋SGF阅读器 is free to download, with in-app purchases available.

### Do Tesuji Library or 围棋SGF阅读器 have ads?

围棋SGF阅读器 shows ads; Tesuji Library does not.

### Which is updated more often, Tesuji Library or 围棋SGF阅读器?

Tesuji Library ships an update every 4 months, and 围棋SGF阅读器 every 5 months. Most recently, Tesuji Library was updated on September 17, 2026 and 围棋SGF阅读器 on September 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.*