# duck vs WorldClass PC

The clearest difference is rating: duck at 4.8 against WorldClass PC's 4.2. duck also leads on review sentiment (98% vs 62%). WorldClass PC's advantage is update cadence (fortnightly vs every 6 weeks). On price, ratings volume, ads 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.

duck holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews point the same way: 98% of duck's written reviews are positive against 62% of WorldClass PC's.

duck ships an update every 6 weeks, WorldClass PC fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | duck | WorldClass PC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/duck-z/id1572692131/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/worldclass-pc/id6479704195/reviews) |
| Number of ratings | **12** | 6 |
| Positive reviews | **98.3% of reviews** | 62.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 54 MB | 73 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SEUNGHWAN LEE](https://appshunter.io/developer/1529908887) | [Bigpicture Interactive Co.,Ltd.](https://appshunter.io/developer/1064586311) |

## What reviewers say

### duck

[App page](https://appshunter.io/ios/app/duck-z/id1572692131)

This app allows users to create and share a digital diary with friends and family. Decorate entries with stickers, build memories through comments, and stay updated with notifications. Enjoy a personalized experience with customizable themes.

**Highlights:** Decorate diary entries, Share daily life with friends, Use stickers for colorful records, Build memories with comments, Receive diary and comment notifications, Dark and Light themes

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

**In-app purchases:** none


### WorldClass PC

[App page](https://appshunter.io/ios/app/worldclass-pc/id6479704195)

Easily manage your PC cafe experience with features like quick sign-up, QR code login, and in-app payments from your seat. Monitor usage and end your session remotely for ultimate convenience.

**Highlights:** Easy sign-up and login, QR code seat login, In-seat payment, Auto-purchase options, Remote session ending, Usage information check

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

**In-app purchases:** none


## Frequently asked questions

### Is duck free?

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

### Is WorldClass PC free?

WorldClass PC is free to download, with no in-app purchases.

### Which has better reviews, duck or WorldClass PC?

duck is rated higher. duck averages 4.8 out of 5 from 12 ratings, while WorldClass PC averages 4.2 from 6 ratings.

### Do duck or WorldClass PC have ads?

Both duck and WorldClass PC show ads.

### Which is updated more often, duck or WorldClass PC?

duck ships an update every 6 weeks, and WorldClass PC fortnightly. Most recently, duck was updated on November 3, 2026 and WorldClass PC on November 4, 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.*