# 知几Kairos vs Six Throws

The clearest difference is update cadence: Six Throws at every 4 days against 知几Kairos's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

知几Kairos ships an update fortnightly, Six Throws every 4 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 知几Kairos | Six Throws |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 11 MB | 23 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [algormula Pte. Ltd.](https://appshunter.io/developer/1828508832) | [Yadong Xie](https://appshunter.io/developer/6814156178) |

## What reviewers say

### 知几Kairos

[App page](https://appshunter.io/ios/app/kairos/id6758753321)

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

**In-app purchases:** none


### 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 知几Kairos free?

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

### Is Six Throws free?

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

### Do 知几Kairos or Six Throws have ads?

Neither 知几Kairos nor Six Throws shows ads.

### Which is updated more often, 知几Kairos or Six Throws?

知几Kairos ships an update fortnightly, and Six Throws every 4 days. Most recently, 知几Kairos was updated on November 9, 2026 and Six Throws on October 31, 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.*