# Math Duel vs 메트로 타이핑

The clearest difference is in-app purchases: 메트로 타이핑 at none against Math Duel's 6. 메트로 타이핑 also leads on update cadence (every 5 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Math Duel sells 6 one-off in-app purchases. 메트로 타이핑 asks for nothing beyond the download.

Math Duel ships an update every 4 weeks, 메트로 타이핑 every 5 days. The most recent releases landed on November 5, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Math Duel | 메트로 타이핑 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6791242489/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 52 MB | 29 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAO CHANG KUO](https://appshunter.io/developer/1735524069) | [OldJeans Corp.](https://appshunter.io/developer/1688580200) |

## What reviewers say

### Math Duel

[App page](https://appshunter.io/ios/app/math-duel-mental-math-battle/id6770234325)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Energy Potion Pack | $0.99 | one-time |
| Basic Tool Pack | $0.99 | one-time |
| Advanced Pass Upgrade | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Standard Pass | $2.99 | one-time |
| Advanced Pass | $3.99 | one-time |


### 메트로 타이핑

[App page](https://appshunter.io/ios/app/id6791242489)

A typing game where you navigate subway lines by accurately entering station names. Compete with others in real-time multiplayer or challenge yourself with timed quizzes and rankings. Enjoy all features without ads or in-app purchases.

**Highlights:** Enter station names to move subway, Multiple cities and subway lines, Real-time multiplayer for up to 4 players, Route quizzes with customizable settings, Official rankings for speed and accuracy, Free play with custom routes and infinite modes

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Duel free?

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

### Is 메트로 타이핑 free?

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

### Do Math Duel or 메트로 타이핑 have ads?

Both Math Duel and 메트로 타이핑 show ads.

### Which is updated more often, Math Duel or 메트로 타이핑?

Math Duel ships an update every 4 weeks, and 메트로 타이핑 every 5 days. Most recently, Math Duel was updated on November 5, 2026 and 메트로 타이핑 on November 12, 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.*