# 紫禁城祥瑞PRO vs EcoQuest

The clearest difference is update cadence: EcoQuest at weekly against 紫禁城祥瑞PRO's fortnightly. EcoQuest also leads on device support (3 vs 1). 紫禁城祥瑞PRO's advantage is iOS requirement (9.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

紫禁城祥瑞PRO ships an update fortnightly, EcoQuest weekly. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 紫禁城祥瑞PRO | EcoQuest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pro/id1374792897/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 2.0 GB | 335 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Palace Museum](https://appshunter.io/developer/631295918) | [yujun ma](https://appshunter.io/developer/1589775065) |

## 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


### EcoQuest

[App page](https://appshunter.io/ios/app/ecoquest/id6450180134)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 EcoQuest free?

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

### Do 紫禁城祥瑞PRO or EcoQuest have ads?

Neither 紫禁城祥瑞PRO nor EcoQuest shows ads.

### Which is updated more often, 紫禁城祥瑞PRO or EcoQuest?

紫禁城祥瑞PRO ships an update fortnightly, and EcoQuest weekly. Most recently, 紫禁城祥瑞PRO was updated on October 20, 2026 and EcoQuest on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*