# 科学钢琴HD vs 脑立方

The clearest difference is in-app purchases: 脑立方 at none against 科学钢琴HD's 6. 脑立方 also leads on device support (3 vs 1). 科学钢琴HD's advantage is iOS requirement (9.0 vs 15.5). On price, update cadence and ads there is nothing between them.

Both are free to download. 科学钢琴HD sells 6 one-off in-app purchases. 脑立方 asks for nothing beyond the download.

科学钢琴HD ships an update every 6 weeks, 脑立方 every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 科学钢琴HD | 脑立方 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hd/id6444460887/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 450 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qingyang Culture Technology (Xiamen) Co., Ltd.](https://appshunter.io/developer/1596229414) | [思 刘](https://appshunter.io/developer/1502389043) |

## What reviewers say

### 科学钢琴HD

[App page](https://appshunter.io/ios/app/hd/id6444460887)

Learn piano theory and practice with articles, videos, and structured courses. Submit assignments for teacher feedback and engage with a community of learners. Read course materials directly on your iPad.

**Highlights:** Piano theory articles and videos, Paid systematic piano courses, Assignment submission for teacher feedback, Community for sharing and discussing assignments, Integrated lecture notes reader

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 199学币 | $46.99 | one-time |
| 599学币 | $139.99 | one-time |
| 899学币 | $209.99 | one-time |
| 1098币 | $249.99 | one-time |
| 1298学币 | $299.99 | one-time |
| 1596学币 | $349.99 | one-time |


### 脑立方

[App page](https://appshunter.io/ios/app/id6547847541)

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

**In-app purchases:** none


## Frequently asked questions

### Is 科学钢琴HD free?

科学钢琴HD is free to download, with in-app purchases available.

### Is 脑立方 free?

脑立方 is free to download, with no in-app purchases.

### Do 科学钢琴HD or 脑立方 have ads?

Neither 科学钢琴HD nor 脑立方 shows ads.

### Which is updated more often, 科学钢琴HD or 脑立方?

科学钢琴HD ships an update every 6 weeks, and 脑立方 every 3 weeks. Most recently, 科学钢琴HD was updated on October 24, 2026 and 脑立方 on October 27, 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.*