# Challenge Korean Word Quiz vs PlusOne

The clearest difference is in-app purchases: Challenge Korean Word Quiz at none against PlusOne's 2. Challenge Korean Word Quiz also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). PlusOne's advantage is update cadence (daily vs every 9 months). On price and device support there is nothing between them.

Both are free to download. PlusOne sells 2 one-off in-app purchases. Challenge Korean Word Quiz asks for nothing beyond the download.

Challenge Korean Word Quiz ships an update every 9 months, PlusOne daily. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Challenge Korean Word Quiz | PlusOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/challenge-korean-word-quiz/id6504712511/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Daily** |
| Monetization | Free | — |
| Size | 93 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [seojin kim](https://appshunter.io/developer/1734429350) | [WeStudy L.L.C.](https://appshunter.io/developer/789622315) |

## What reviewers say

### Challenge Korean Word Quiz

[App page](https://appshunter.io/ios/app/challenge-korean-word-quiz/id6504712511)

Learn Korean lifestyle and vocabulary through a fun word quiz game. Guess words using riddles and pictures, with carefully selected common terms. Supports 23 languages and offers helpful hints.

**Highlights:** Learn Korean lifestyle and vocabulary, Guess words via riddles and pictures, Carefully selected common words, Bookmark feature, Easy controls and fast progress, Hints provided, Supports 23 languages

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

**In-app purchases:** none


### PlusOne

[App page](https://appshunter.io/ios/app/plusone-math/id6745531772)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Vs Credits | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Challenge Korean Word Quiz free?

Challenge Korean Word Quiz is free to download, with no in-app purchases.

### Is PlusOne free?

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

### Do Challenge Korean Word Quiz or PlusOne have ads?

PlusOne shows ads; Challenge Korean Word Quiz does not.

### Which is updated more often, Challenge Korean Word Quiz or PlusOne?

Challenge Korean Word Quiz ships an update every 9 months, and PlusOne daily. Most recently, Challenge Korean Word Quiz was updated on October 30, 2026 and PlusOne on November 8, 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.*