# 鐵版神數之大運流年 vs 八字

The clearest difference is in-app purchases: 八字 at none against 鐵版神數之大運流年's 1. 八字 also leads on update cadence (every 3 weeks vs every 9 months). 鐵版神數之大運流年's advantage is iOS requirement (6.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 鐵版神數之大運流年 sells 1 one-off in-app purchase. 八字 asks for nothing beyond the download.

鐵版神數之大運流年 ships an update every 9 months, 八字 every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 鐵版神數之大運流年 | 八字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/id738785992/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 8 MB | 13 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [维鸥 周](https://appshunter.io/developer/525280824) | [帅 李](https://appshunter.io/developer/1705660101) |

## What reviewers say

### 鐵版神數之大運流年

[App page](https://appshunter.io/ios/app/id738785992)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 41-80歲鐵版條文 | $2.99 | one-time |


### 八字

[App page](https://appshunter.io/ios/app/id6464371895)

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

**In-app purchases:** none


## Frequently asked questions

### Is 鐵版神數之大運流年 free?

鐵版神數之大運流年 is free to download, with in-app purchases available.

### Is 八字 free?

八字 is free to download, with no in-app purchases.

### Do 鐵版神數之大運流年 or 八字 have ads?

Neither 鐵版神數之大運流年 nor 八字 shows ads.

### Which is updated more often, 鐵版神數之大運流年 or 八字?

鐵版神數之大運流年 ships an update every 9 months, and 八字 every 3 weeks. Most recently, 鐵版神數之大運流年 was updated on November 6, 2026 and 八字 on November 3, 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.*