# One Sudoku vs HexThrees

The clearest difference is in-app purchases: HexThrees at none against One Sudoku's 3. HexThrees also leads on ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. One Sudoku sells 3 in-app purchases, starting at $2.49 per month. HexThrees asks for nothing beyond the download.

One Sudoku ships an update every 3 months, HexThrees every 5 months. The most recent releases landed on September 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | One Sudoku | HexThrees |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/one-sudoku/id1495962031/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 1 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cornelius Behrend](https://appshunter.io/developer/680700119) | [Ilja Stepanow](https://appshunter.io/developer/1532412634) |

## What reviewers say

### One Sudoku

[App page](https://appshunter.io/ios/app/one-sudoku/id1495962031)

This app offers a vast collection of Sudoku puzzles with 11 unique types and adjustable difficulty. Engage in special events, compare scores globally, and unlock achievements. A premium club membership provides offline play and access to all puzzle variations without ads.

**Highlights:** 11 Sudoku puzzle types, Selectable difficulty levels, Special themed events, Global player comparisons, Unlockable achievements, Offline play with club membership

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Sudoku Club: Monthly | $2.49 | per month |
| One Sudoku Club Promotion | $6.99 | per 3 months |
| One Sudoku Club: Yearly | $22.99 | per year |


### HexThrees

[App page](https://appshunter.io/ios/app/hexthrees/id1532412632)

A relaxing puzzle game where you swipe tiles to merge them based on Fibonacci and power-of-two rules. Expand your game field for endless play and enjoy satisfying haptic feedback on compatible devices.

**Highlights:** Swipe to move tiles, Merge tiles by Fibonacci and power-of-two rules, Expandable game field for endless play, Satisfying haptic feedback, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Sudoku free?

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

### Is HexThrees free?

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

### Do One Sudoku or HexThrees have ads?

One Sudoku shows ads; HexThrees does not.

### Which is updated more often, One Sudoku or HexThrees?

One Sudoku ships an update every 3 months, and HexThrees every 5 months. Most recently, One Sudoku was updated on September 6, 2026 and HexThrees on September 9, 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.*