# 隐智围棋 vs 围棋SGF阅读器

The clearest difference is in-app purchases: 隐智围棋 at none against 围棋SGF阅读器's 1. 隐智围棋 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

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

隐智围棋 ships an update every 3 weeks, 围棋SGF阅读器 every 5 months. The most recent releases landed on October 23, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 隐智围棋 | 围棋SGF阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 105 MB | 24 MB |
| Requires iOS | 15.0 | **14.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [湖南隐智科技有限公司](https://appshunter.io/developer/1188203955) | [丽娜 夏](https://appshunter.io/developer/1084968330) |

## What reviewers say

### 隐智围棋

[App page](https://appshunter.io/ios/app/id1175965760)

**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 隐智围棋 free?

隐智围棋 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 隐智围棋 or 围棋SGF阅读器 have ads?

围棋SGF阅读器 shows ads; 隐智围棋 does not.

### Which is updated more often, 隐智围棋 or 围棋SGF阅读器?

隐智围棋 ships an update every 3 weeks, and 围棋SGF阅读器 every 5 months. Most recently, 隐智围棋 was updated on October 23, 2026 and 围棋SGF阅读器 on November 2, 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.*