# 隐智棋盘课堂HD vs NEWBL KataGo

The clearest difference is in-app purchases: 隐智棋盘课堂HD at none against NEWBL KataGo's 3. NEWBL KataGo's advantage is update cadence (every 3 days vs every 2 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. NEWBL KataGo sells 3 in-app purchases, starting at $0.99 per month. 隐智棋盘课堂HD asks for nothing beyond the download.

隐智棋盘课堂HD ships an update every 2 weeks, NEWBL KataGo every 3 days. The most recent releases landed on September 9, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | 隐智棋盘课堂HD | NEWBL KataGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 131 MB | 39 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [湖南隐智科技有限公司](https://appshunter.io/developer/1188203955) | [Newbl](https://appshunter.io/developer/1755559417) |

## What reviewers say

### 隐智棋盘课堂HD

[App page](https://appshunter.io/ios/app/hd/id1268475573)

**In-app purchases:** none


### NEWBL KataGo

[App page](https://appshunter.io/ios/app/newbl-katago/id6762753741)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited | $0.99 | per month |
| AI Coach | $2.99 | per month |
| Annual Unlimited | $4.99 | per year |


## Frequently asked questions

### Is 隐智棋盘课堂HD free?

隐智棋盘课堂HD is free to download, with no in-app purchases.

### Is NEWBL KataGo free?

NEWBL KataGo is free to download, with in-app purchases available.

### Do 隐智棋盘课堂HD or NEWBL KataGo have ads?

Neither 隐智棋盘课堂HD nor NEWBL KataGo shows ads.

### Which is updated more often, 隐智棋盘课堂HD or NEWBL KataGo?

隐智棋盘课堂HD ships an update every 2 weeks, and NEWBL KataGo every 3 days. Most recently, 隐智棋盘课堂HD was updated on September 9, 2026 and NEWBL KataGo on June 6, 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.*