# 烂柯围棋 vs 围棋SGF阅读器

The clearest difference is in-app purchases: 烂柯围棋 at none against 围棋SGF阅读器's 1. 烂柯围棋 also leads on ads (none vs shown) and iOS requirement (9.0 vs 14.1). On price, update cadence and device support there is nothing between them.

Both are free to download. 围棋SGF阅读器 sells 1 one-off in-app purchase. 烂柯围棋 asks for nothing beyond the download.

烂柯围棋 ships an update every 3 months, 围棋SGF阅读器 every 5 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 烂柯围棋 | 围棋SGF阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 30 MB | 24 MB |
| Requires iOS | **9.0** | 14.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xining Vidoo Information & Technology Co.,ltd.](https://appshunter.io/developer/989624544) | [丽娜 夏](https://appshunter.io/developer/1084968330) |

## What reviewers say

### 烂柯围棋

[App page](https://appshunter.io/ios/app/id989624545)

**Features:** macOS Compatibility

**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 烂柯围棋 free?

烂柯围棋 is free to download, 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 烂柯围棋 or 围棋SGF阅读器 have ads?

围棋SGF阅读器 shows ads; 烂柯围棋 does not.

### Which is updated more often, 烂柯围棋 or 围棋SGF阅读器?

烂柯围棋 ships an update every 3 months, and 围棋SGF阅读器 every 5 months. Most recently, 烂柯围棋 was updated on October 3, 2026 and 围棋SGF阅读器 on October 11, 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.*