# 紫白飛星萬年曆(奇門算法) vs DataPro

The clearest difference is price: DataPro at Free against 紫白飛星萬年曆(奇門算法)'s $11.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

DataPro is free to download; 紫白飛星萬年曆(奇門算法) costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

紫白飛星萬年曆(奇門算法) ships an update every 10 days, DataPro every 3 weeks. The most recent releases landed on August 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 紫白飛星萬年曆(奇門算法) | DataPro |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id381697231/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 122 MB | 64 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Firm 13 Limited](https://appshunter.io/developer/294205351) | [Ho ming Lau](https://appshunter.io/developer/1829678631) |

## What reviewers say

### 紫白飛星萬年曆(奇門算法)

[App page](https://appshunter.io/ios/app/id381697231)

This app provides detailed Zi Bai Fei Xing data and traditional Chinese calendar information for metaphysics enthusiasts. It features enhanced public holiday displays, bookmarking, and precise Feng Shui layout guidance, incorporating a unique algorithm for flight star transitions around solar terms.

**Highlights:** Detailed Zi Bai Fei Xing data (year, month, day, hour), Male/Female Ming Gua information, Date bookmarking, Solar term transition details, Public holiday display (China, HK, TW, SG), Gregorian/Lunar date search and conversion (1850-2150)

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

**In-app purchases:** none


### DataPro

[App page](https://appshunter.io/ios/app/datapro/id6752937410)

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

**In-app purchases:** none


## Frequently asked questions

### Is 紫白飛星萬年曆(奇門算法) free?

紫白飛星萬年曆(奇門算法) costs $11.99, with no in-app purchases.

### Is DataPro free?

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

### Do 紫白飛星萬年曆(奇門算法) or DataPro have ads?

Neither 紫白飛星萬年曆(奇門算法) nor DataPro shows ads.

### Which is updated more often, 紫白飛星萬年曆(奇門算法) or DataPro?

紫白飛星萬年曆(奇門算法) ships an update every 10 days, and DataPro every 3 weeks. Most recently, 紫白飛星萬年曆(奇門算法) was updated on August 22, 2026 and DataPro on September 8, 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.*