# 西門好聲音KTV vs PR Diary

The clearest difference is update cadence: PR Diary at every 4 days against 西門好聲音KTV's every 23 months. PR Diary also leads on device support. 西門好聲音KTV's advantage is iOS requirement (15.1 vs 18.5). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

西門好聲音KTV ships an update every 23 months, PR Diary every 4 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 西門好聲音KTV | PR Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 23 months | **Every 4 days** |
| Size | 46 MB | 8 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [E-CARDS APP](https://appshunter.io/developer/1689164931) | [Yung Wen Cheng](https://appshunter.io/developer/1851202446) |

## What reviewers say

### 西門好聲音KTV

[App page](https://appshunter.io/ios/app/ktv/id6479682192)

**In-app purchases:** none


### PR Diary

[App page](https://appshunter.io/ios/app/pr-diary/id6761694656)

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

**In-app purchases:** none


## Frequently asked questions

### Is 西門好聲音KTV free?

西門好聲音KTV is free to download, with no in-app purchases.

### Is PR Diary free?

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

### Which is updated more often, 西門好聲音KTV or PR Diary?

西門好聲音KTV ships an update every 23 months, and PR Diary every 4 days. Most recently, 西門好聲音KTV was updated on September 30, 2026 and PR Diary on October 9, 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.*