# Koreez vs 123 Numbers

The clearest difference is price: Koreez at Free against 123 Numbers's $0.99. Koreez also leads on update cadence (every 9 days vs every 3 weeks). 123 Numbers's advantage is chart position (#119 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Koreez is free to download; 123 Numbers costs $0.99 up front. Koreez sells 10 in-app purchases, starting at $3.99 per month and 123 Numbers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Koreez ships an update every 9 days, 123 Numbers every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Koreez | 123 Numbers |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (40 ratings)](https://appshunter.io/ios/app/koreez/id6465207992/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#119** |
| Size | 59 MB | 16 MB |
| Requires iOS | 16.6 | **16.1** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KoreezKoreez Educational Program CJS](https://appshunter.io/developer/1706487729) | [波 许](https://appshunter.io/developer/1779951649) |

## What reviewers say

### Koreez

[App page](https://appshunter.io/ios/app/koreez/id6465207992)

Engage in a knowledge-based competition with friends or solo. This app blends school curriculum with general knowledge for a challenging quiz experience. Climb leaderboards and become a quiz champion.

**Highlights:** Quiz battles with friends, School curriculum integration, General knowledge questions, Leaderboard rankings, Brainpower boosting, Competitive gameplay

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Monthly Subscription | $4.95 | per month |
| Monthly Subscription | $6.79 | per month |
| Yearly Subscription | $19.99 | per year |
| Yearly Subscription | $37.49 | per year |
| Yearly Subscription | $40.90 | per year |
| 30 keys | $0.49 | one-time |
| 70 keys | $0.99 | one-time |
| Certificate Download | $1.99 | one-time |
| Event Ticket | $5.99 | one-time |


### 123 Numbers

[App page](https://appshunter.io/ios/app/123-numbers-learning-games/id6752682784)

**Currently charting:** #119 Top Paid · Education (US App Store)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $0.99 | one-time |


## Frequently asked questions

### Is Koreez free?

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

### Is 123 Numbers free?

123 Numbers costs $0.99, and also offers in-app purchases.

### Do Koreez or 123 Numbers have ads?

Neither Koreez nor 123 Numbers shows ads.

### Which is updated more often, Koreez or 123 Numbers?

Koreez ships an update every 9 days, and 123 Numbers every 3 weeks. Most recently, Koreez was updated on November 3, 2026 and 123 Numbers on October 30, 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.*