# FateKit vs 宮垣 Kairos

The clearest difference is in-app purchases: 宮垣 Kairos at none against FateKit's 3. 宮垣 Kairos also leads on update cadence (every 2 days vs weekly) and device support (3 vs 1). FateKit's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. FateKit sells 3 in-app purchases, starting at $49.99 per year. 宮垣 Kairos asks for nothing beyond the download.

FateKit ships an update weekly, 宮垣 Kairos every 2 days. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | FateKit | 宮垣 Kairos |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 153 MB | 35 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cantian AI](https://appshunter.io/developer/1821073306) | [Heng Li](https://appshunter.io/developer/6781208608) |

## What reviewers say

### FateKit

[App page](https://appshunter.io/ios/app/fatekit/id6792645940)

Explore astrological charts and astronomical data using multiple systems like BaZi and Western astrology. Generate structured prompts for AI services based on your chart data. All calculations and data are processed privately on your device.

**Highlights:** Multiple astrological systems (BaZi, Zi Wei Dou Shu, Western, Vedic), Astronomical sky data and planet tracking, Offline chart calculations, Structured AI prompt generation, User profiles stored locally, Time slider for daily sky changes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FateKit Pro Yearly | $49.99 | per year |
| FateKit Pro | $9.99 | one-time |
| FateKit Pro Lifetime | $199.99 | 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 FateKit free?

FateKit 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 FateKit or 宮垣 Kairos have ads?

宮垣 Kairos shows ads; FateKit does not.

### Which is updated more often, FateKit or 宮垣 Kairos?

FateKit ships an update weekly, and 宮垣 Kairos every 2 days. Most recently, FateKit was updated on October 25, 2026 and 宮垣 Kairos on October 11, 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.*