# 紫微通書 vs Six Throws

The clearest difference is in-app purchases: Six Throws at none against 紫微通書's 5. Six Throws also leads on update cadence (every 3 days vs every 4 weeks). 紫微通書's advantage is iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 紫微通書 sells 5 one-off in-app purchases. Six Throws asks for nothing beyond the download.

紫微通書 ships an update every 4 weeks, Six Throws every 3 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 紫微通書 | Six Throws |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6443444483/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Size | 128 MB | 22 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Tianxun Culture Technology Co.,Ltd.](https://appshunter.io/developer/1643867629) | [Yadong Xie](https://appshunter.io/developer/6814156178) |

## What reviewers say

### 紫微通書

[App page](https://appshunter.io/ios/app/id6443444483)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A项购买 | $6.99 | one-time |
| B项购买 | $19.99 | one-time |
| C项购买 | $29.99 | one-time |
| D项购买 | $59.99 | one-time |
| VIP购买 | $99.99 | one-time |


### Six Throws

[App page](https://appshunter.io/ios/app/six-throws-i-ching/id6814156176)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 紫微通書 free?

紫微通書 is free to download, with in-app purchases available.

### Is Six Throws free?

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

### Do 紫微通書 or Six Throws have ads?

Neither 紫微通書 nor Six Throws shows ads.

### Which is updated more often, 紫微通書 or Six Throws?

紫微通書 ships an update every 4 weeks, and Six Throws every 3 days. Most recently, 紫微通書 was updated on October 9, 2026 and Six Throws on October 10, 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.*