# 手機條碼｜發票載具 vs PR Diary

The clearest difference is in-app purchases: PR Diary at none against 手機條碼｜發票載具's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 手機條碼｜發票載具 sells 1 one-off in-app purchase. PR Diary asks for nothing beyond the download.

手機條碼｜發票載具 ships an update every 3 days, PR Diary every 4 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 手機條碼｜發票載具 | PR Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 1 MB | 8 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jia-Han Wu](https://appshunter.io/developer/1707031371) | [Yung Wen Cheng](https://appshunter.io/developer/1851202446) |

## What reviewers say

### 手機條碼｜發票載具

[App page](https://appshunter.io/ios/app/id6502254130)

**Features:** macOS Compatibility, Family Sharing, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 手機條碼 Pro | $2.99 | one-time |


### 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 手機條碼｜發票載具 free?

手機條碼｜發票載具 is free to download, with in-app purchases available.

### Is PR Diary free?

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

### Do 手機條碼｜發票載具 or PR Diary have ads?

Neither 手機條碼｜發票載具 nor PR Diary shows ads.

### Which is updated more often, 手機條碼｜發票載具 or PR Diary?

手機條碼｜發票載具 ships an update every 3 days, and PR Diary every 4 days. Most recently, 手機條碼｜發票載具 was updated on October 1, 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.*