# 擇改易 HK vs Jiaobei

The clearest difference is in-app purchases: 擇改易 HK at none against Jiaobei's 2. 擇改易 HK also leads on update cadence (every 2 days vs weekly). Jiaobei's advantage is ads (none vs shown) and iOS requirement (15.1 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Jiaobei sells 2 in-app purchases, starting at $1.99 per month. 擇改易 HK asks for nothing beyond the download.

擇改易 HK ships an update every 2 days, Jiaobei weekly. Both last shipped on October 5, 2026.

## The numbers

| Metric | 擇改易 HK | Jiaobei |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hk/id568034553/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 128 MB | 91 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lap Tak Cheung](https://appshunter.io/developer/557168864) | [Lei GAO](https://appshunter.io/developer/1829186835) |

## What reviewers say

### 擇改易 HK

[App page](https://appshunter.io/ios/app/hk/id568034553)

This app helps you choose auspicious dates for life events and suggests names based on traditional Chinese philosophy and Hong Kong naming conventions. It includes a perpetual calendar for checking lunar dates, solar terms, and daily fortunes.

**Highlights:** Name suggestions based on birth data and five elements, Detailed life analysis with clear explanations, Auspicious date selection for events, Perpetual calendar with lunar dates and daily fortunes, Traditional calendar widget

**Features:** Vision Pro support

**In-app purchases:** none


### Jiaobei

[App page](https://appshunter.io/ios/app/jiaobei/id6759817004)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription for Ads Removal | $1.99 | per month |
| Remove Ads | $12.99 | one-time |


## Frequently asked questions

### Is 擇改易 HK free?

擇改易 HK is free to download, with no in-app purchases.

### Is Jiaobei free?

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

### Do 擇改易 HK or Jiaobei have ads?

擇改易 HK shows ads; Jiaobei does not.

### Which is updated more often, 擇改易 HK or Jiaobei?

擇改易 HK ships an update every 2 days, and Jiaobei weekly. Most recently, 擇改易 HK was updated on October 5, 2026 and Jiaobei on October 5, 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.*