# Kluchi vs Sudoku Connect !

The clearest difference is in-app purchases: Sudoku Connect ! at none against Kluchi's 1. Sudoku Connect ! also leads on update cadence (every 6 days vs every 3 weeks). Kluchi's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Kluchi sells 1 one-off in-app purchase. Sudoku Connect ! asks for nothing beyond the download.

Kluchi ships an update every 3 weeks, Sudoku Connect ! every 6 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Kluchi | Sudoku Connect ! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kluchi/id1182879708/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 65 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Polous](https://appshunter.io/developer/560072891) | [Yung Wei Cheng](https://appshunter.io/developer/1893620281) |

## What reviewers say

### Kluchi

[App page](https://appshunter.io/ios/app/kluchi/id1182879708)

This puzzle game challenges players to strategically place all keys onto a table. Utilize unique key connectors and special "neighbors" mechanics to solve increasingly complex arrangements. Hints are available to assist when you get stuck.

**Highlights:** Key placement puzzle, Unique connector mechanics, Special 'neighbors' keys, Hint system, Brain training benefits, New puzzle type

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 9 hints | $0.99 | one-time |


### Sudoku Connect !

[App page](https://appshunter.io/ios/app/sudoku-connect/id6762272843)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kluchi free?

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

### Is Sudoku Connect ! free?

Sudoku Connect ! is free to download, with no in-app purchases.

### Do Kluchi or Sudoku Connect ! have ads?

Neither Kluchi nor Sudoku Connect ! shows ads.

### Which is updated more often, Kluchi or Sudoku Connect !?

Kluchi ships an update every 3 weeks, and Sudoku Connect ! every 6 days. Most recently, Kluchi was updated on November 2, 2026 and Sudoku Connect ! on November 5, 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.*