# Citybase Connect vs KKAI

The clearest difference is in-app purchases: Citybase Connect at none against KKAI's 7. KKAI's advantage is update cadence (every 3 weeks vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KKAI sells 7 one-off in-app purchases. Citybase Connect asks for nothing beyond the download.

Citybase Connect ships an update every 17 months, KKAI every 3 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | Citybase Connect | KKAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Size | 52 MB | 73 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e-Smart System](https://appshunter.io/developer/1382513704) | [KKAI 9988 LIMITED](https://appshunter.io/developer/1602341451) |

## What reviewers say

### Citybase Connect

[App page](https://appshunter.io/ios/app/citybase-connect/id6443407411)

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

**In-app purchases:** none


### KKAI

[App page](https://appshunter.io/ios/app/kkai/id6450826406)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 銀會員 | $19.99 | one-time |
| 運勢詳解報告 | $19.99 | one-time |
| 購買運勢報告 | $19.99 | one-time |
| 黃金會員 : 買一個單位十二個月詳細風水報告 | $799.99 | one-time |
| 金會員 | $999.99 | one-time |
| 升級金會員 | $999.99 | one-time |
| 銀會員 : 買一個單位十二個月詳細風水報告 | $999.99 | one-time |


## Frequently asked questions

### Is Citybase Connect free?

Citybase Connect is free to download, with no in-app purchases.

### Is KKAI free?

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

### Do Citybase Connect or KKAI have ads?

Neither Citybase Connect nor KKAI shows ads.

### Which is updated more often, Citybase Connect or KKAI?

Citybase Connect ships an update every 17 months, and KKAI every 3 weeks. Most recently, Citybase Connect was updated on November 7, 2026 and KKAI on November 7, 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.*