# 결합 vs Dark Math

The clearest difference is iOS requirement: Dark Math at 13.0 against 결합's 15.0. On price, update cadence, 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.

결합 ships an update every 5 days, Dark Math every 4 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | 결합 | Dark Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/dark-math-math-puzzle-game/id6738501626/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 34 MB | 175 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TaeHyeok Lee](https://appshunter.io/developer/1623779377) | [Redev Inc.](https://appshunter.io/developer/1658921539) |

## What reviewers say

### 결합

[App page](https://appshunter.io/ios/app/id1645768405)

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

**In-app purchases:** none


### Dark Math

[App page](https://appshunter.io/ios/app/dark-math-math-puzzle-game/id6738501626)

A challenging math puzzle game designed to sharpen your logic and reasoning skills. Place number cards to solve equations, from simple to highly complex, with difficulty that scales to push your limits.

**Highlights:** Logic and reasoning training, Diverse difficulty levels, Equation solving puzzles, Number card placement gameplay, Suitable for all ages

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

**In-app purchases:** none


## Frequently asked questions

### Is 결합 free?

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

### Is Dark Math free?

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

### Do 결합 or Dark Math have ads?

Both 결합 and Dark Math show ads.

### Which is updated more often, 결합 or Dark Math?

결합 ships an update every 5 days, and Dark Math every 4 days. Most recently, 결합 was updated on October 27, 2026 and Dark Math on October 27, 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.*