# 遍历 vs 宮垣 Kairos

The clearest difference is in-app purchases: 宮垣 Kairos at none against 遍历's 2. 宮垣 Kairos also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 遍历's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. 遍历 sells 2 in-app purchases, starting at $99.99 per year. 宮垣 Kairos asks for nothing beyond the download.

## The numbers

| Metric | 遍历 | 宮垣 Kairos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 74 MB | 35 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [杨谦 胡](https://appshunter.io/developer/6785927529) | [Heng Li](https://appshunter.io/developer/6781208608) |

## What reviewers say

### 遍历

[App page](https://appshunter.io/ios/app/id6787005679)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 遍历 v3 完全版 | $99.99 | per year |
| 复原古代历法 | $5.99 | one-time |


### 宮垣 Kairos

[App page](https://appshunter.io/ios/app/kairos/id6805323462)

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

**In-app purchases:** none


## Frequently asked questions

### Is 遍历 free?

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

### Is 宮垣 Kairos free?

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

### Do 遍历 or 宮垣 Kairos have ads?

宮垣 Kairos shows ads; 遍历 does not.

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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.*