# Puzzle 6 Corners vs Kariuchi

The clearest difference is in-app purchases: Puzzle 6 Corners at none against Kariuchi's 1. Puzzle 6 Corners also leads on iOS requirement (8.1 vs 14.0). Kariuchi's advantage is update cadence (every 5 weeks vs every 31 months). On price, ads and device support there is nothing between them.

Both are free to download. Kariuchi sells 1 one-off in-app purchase. Puzzle 6 Corners asks for nothing beyond the download.

Puzzle 6 Corners ships an update every 31 months, Kariuchi every 5 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Puzzle 6 Corners | Kariuchi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/puzzle-6-corners/id1157341923/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 31 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 66 MB | 14 MB |
| Requires iOS | **8.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### Puzzle 6 Corners

[App page](https://appshunter.io/ios/app/puzzle-6-corners/id1157341923)

Arrange and rotate colored cells to match adjacent corners on a highlighted figure. Solve thousands of progressively challenging levels with helpful hints and solutions available.

**Highlights:** Cell placement and rotation, Thousands of levels, Increasing complexity, Hint system, Solution availability

**Features:** macOS Compatibility

**In-app purchases:** none


### Kariuchi

[App page](https://appshunter.io/ios/app/kariuchi/id1665475494)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


## Frequently asked questions

### Is Puzzle 6 Corners free?

Puzzle 6 Corners is free to download, with no in-app purchases.

### Is Kariuchi free?

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

### Do Puzzle 6 Corners or Kariuchi have ads?

Both Puzzle 6 Corners and Kariuchi show ads.

### Which is updated more often, Puzzle 6 Corners or Kariuchi?

Puzzle 6 Corners ships an update every 31 months, and Kariuchi every 5 weeks. Most recently, Puzzle 6 Corners was updated on November 2, 2026 and Kariuchi on November 7, 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.*