# 擇改易 HK vs Ganzhi Diary

The clearest difference is ads: Ganzhi Diary at none against 擇改易 HK's shown. Ganzhi Diary also leads on iOS requirement (16.4 vs 18.6). 擇改易 HK's advantage is update cadence (every 2 days vs every 3 weeks). On price, 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.

擇改易 HK ships an update every 2 days, Ganzhi Diary every 3 weeks. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 擇改易 HK | Ganzhi Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hk/id568034553/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 128 MB | 257 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lap Tak Cheung](https://appshunter.io/developer/557168864) | [xinchen zhou](https://appshunter.io/developer/1847134196) |

## 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


### Ganzhi Diary

[App page](https://appshunter.io/ios/app/ganzhi-diary/id6783131657)

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

**In-app purchases:** none


## Frequently asked questions

### Is 擇改易 HK free?

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

### Is Ganzhi Diary free?

Ganzhi Diary is free to download, with no in-app purchases.

### Do 擇改易 HK or Ganzhi Diary have ads?

擇改易 HK shows ads; Ganzhi Diary does not.

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

擇改易 HK ships an update every 2 days, and Ganzhi Diary every 3 weeks. Most recently, 擇改易 HK was updated on November 10, 2026 and Ganzhi Diary on November 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.*