# 问真八字 vs 金属探测仪器

The clearest difference is ads: 问真八字 at none against 金属探测仪器's shown. 金属探测仪器's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 问真八字 sells 3 one-off in-app purchases and 金属探测仪器 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

问真八字 ships an update monthly, 金属探测仪器 every 3 days. The most recent releases landed on November 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 问真八字 | 金属探测仪器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (77 ratings)](https://appshunter.io/ios/app/id1665624645/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 17 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Wenzhen Cultural Communication Co., Ltd.](https://appshunter.io/developer/1664632538) | [魁鹏 宋](https://appshunter.io/developer/977980685) |

## What reviewers say

### 问真八字

[App page](https://appshunter.io/ios/app/id1665624645)

This app offers a unique five-pillar astrological chart calculation, expanding on traditional four-pillar methods. It provides access to a vast library of ancient texts, AI-powered study tools, and a database of historical figures for in-depth research and learning.

**Highlights:** Five-pillar astrological chart calculation, Extensive ancient text library, AI-powered study assistant, Historical figure database, Astrological chart comparison, Research notes functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3个月黄金体验会员 | $14.99 | one-time |
| 1年黄金会员 | $39.99 | one-time |
| 5年钻石会员 | $129.99 | one-time |


### 金属探测仪器

[App page](https://appshunter.io/ios/app/id6741529009)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员1 | $2.99 | per month |
| 年会员1 | $4.99 | per year |


## Frequently asked questions

### Is 问真八字 free?

问真八字 is free to download, with in-app purchases available.

### Is 金属探测仪器 free?

金属探测仪器 is free to download, with in-app purchases available.

### Do 问真八字 or 金属探测仪器 have ads?

金属探测仪器 shows ads; 问真八字 does not.

### Which is updated more often, 问真八字 or 金属探测仪器?

问真八字 ships an update monthly, and 金属探测仪器 every 3 days. Most recently, 问真八字 was updated on November 12, 2026 and 金属探测仪器 on October 30, 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.*