# 紫禁城祥瑞PRO vs 科学钢琴HD

The clearest difference is rating: 紫禁城祥瑞PRO at 5.0 against 科学钢琴HD's 1.0. 紫禁城祥瑞PRO also leads on in-app purchases (none vs 6) and update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 科学钢琴HD sells 6 one-off in-app purchases. 紫禁城祥瑞PRO asks for nothing beyond the download.

紫禁城祥瑞PRO holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

紫禁城祥瑞PRO ships an update fortnightly, 科学钢琴HD every 6 weeks. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 紫禁城祥瑞PRO | 科学钢琴HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pro/id1374792897/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/hd/id6444460887/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2.0 GB | 37 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Palace Museum](https://appshunter.io/developer/631295918) | [Qingyang Culture Technology (Xiamen) Co., Ltd.](https://appshunter.io/developer/1596229414) |

## What reviewers say

### 紫禁城祥瑞PRO

[App page](https://appshunter.io/ios/app/pro/id1374792897)

Explore the rich history and cultural significance of 17 traditional auspicious symbols from the Forbidden City. Discover hidden secrets behind cultural icons through interactive 3D models and detailed explanations of over 170 artifacts from the Palace Museum collection.

**Highlights:** Explore 17 traditional auspicious symbols, Discover secrets behind cultural icons, Interactive 3D models of artifacts, Detailed explanations of 170+ Palace Museum treasures, Learn about historical evolution and cultural connotations, Engaging interactive 'Easter eggs', Fresh and elegant hand-drawn art style

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 紫禁城祥瑞PRO free?

紫禁城祥瑞PRO is free to download, with no in-app purchases.

### Is 科学钢琴HD free?

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

### Which has better reviews, 紫禁城祥瑞PRO or 科学钢琴HD?

紫禁城祥瑞PRO is rated higher. 紫禁城祥瑞PRO averages 5.0 out of 5 from 3 ratings, while 科学钢琴HD averages 1.0 from 1 ratings.

### Do 紫禁城祥瑞PRO or 科学钢琴HD have ads?

Neither 紫禁城祥瑞PRO nor 科学钢琴HD shows ads.

### Which is updated more often, 紫禁城祥瑞PRO or 科学钢琴HD?

紫禁城祥瑞PRO ships an update fortnightly, and 科学钢琴HD every 6 weeks. Most recently, 紫禁城祥瑞PRO was updated on October 3, 2026 and 科学钢琴HD on October 4, 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.*