# 八字排盘 vs 康一康

The clearest difference is ads: 八字排盘 at none against 康一康's shown. 八字排盘 also leads on iOS requirement (9.0 vs 15.0). 康一康's advantage is update cadence (every 9 days vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 八字排盘 sells 1 one-off in-app purchase and 康一康 sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

八字排盘 ships an update every 2 months, 康一康 every 9 days. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 八字排盘 | 康一康 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (33 ratings)](https://appshunter.io/ios/app/plus-plus/id1659589660/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 90.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 29 MB | 160 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [深圳 刘](https://appshunter.io/developer/1635307045) | [深圳生生健康科技有限公司](https://appshunter.io/developer/1651826026) |

## What reviewers say

### 八字排盘

[App page](https://appshunter.io/ios/app/plus-plus/id1659589660)

This app provides professional astrological charting and analysis tools, including detailed birth chart calculations, historical data, and predictive insights. It offers advanced features for experienced practitioners, with options for permanent membership to unlock all functionalities.

**Highlights:** Offline astrological calendar algorithm, Thousands of years of birth chart calculation, Reverse birth chart calculation, Integrated I Ching divination, Facial reading and yearly chart reference, Support for multiple chart displays, Widgets for astrological data

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 八字排盘-从真版永久会员 | $9.99 | one-time |


### 康一康

[App page](https://appshunter.io/ios/app/id6469270921)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month membership | $19.99 | one-time |
| 季度会员 | $39.99 | one-time |
| 半年会员 | $89.99 | one-time |
| One year membership | $128.99 | one-time |
| 三年会员 | $199.99 | one-time |


## Frequently asked questions

### Is 八字排盘 free?

八字排盘 is free to download, with in-app purchases available.

### Is 康一康 free?

康一康 is free to download, with in-app purchases available.

### Do 八字排盘 or 康一康 have ads?

康一康 shows ads; 八字排盘 does not.

### Which is updated more often, 八字排盘 or 康一康?

八字排盘 ships an update every 2 months, and 康一康 every 9 days. Most recently, 八字排盘 was updated on September 20, 2026 and 康一康 on September 12, 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.*