# 易经决疑 vs 風水大全－經典實用珍藏

The clearest difference is update cadence: 風水大全－經典實用珍藏 at every 3 months against 易经决疑's every 20 months. 風水大全－經典實用珍藏 also leads on iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 易经决疑 sells 1 one-off in-app purchase and 風水大全－經典實用珍藏 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

易经决疑 ships an update every 20 months, 風水大全－經典實用珍藏 every 3 months. The most recent releases landed on October 23, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 易经决疑 | 風水大全－經典實用珍藏 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/id517656558/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 months** |
| Size | 8 MB | 50 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lingchen](https://appshunter.io/developer/490063568) | [世木 林](https://appshunter.io/developer/528007397) |

## What reviewers say

### 易经决疑

[App page](https://appshunter.io/ios/app/id517656558)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 内容解锁 | $1.99 | one-time |


### 風水大全－經典實用珍藏

[App page](https://appshunter.io/ios/app/id689559092)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is 易经决疑 free?

易经决疑 is free to download, with in-app purchases available.

### Is 風水大全－經典實用珍藏 free?

風水大全－經典實用珍藏 is free to download, with in-app purchases available.

### Do 易经决疑 or 風水大全－經典實用珍藏 have ads?

Neither 易经决疑 nor 風水大全－經典實用珍藏 shows ads.

### Which is updated more often, 易经决疑 or 風水大全－經典實用珍藏?

易经决疑 ships an update every 20 months, and 風水大全－經典實用珍藏 every 3 months. Most recently, 易经决疑 was updated on October 23, 2026 and 風水大全－經典實用珍藏 on October 15, 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.*