# SOS Oyunu vs Bubuca Sudoku

The clearest difference is update cadence: Bubuca Sudoku at every 2 days against SOS Oyunu's every 3 months. SOS Oyunu's advantage is iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SOS Oyunu ships an update every 3 months, Bubuca Sudoku every 2 days. Both last shipped on October 26, 2026.

## The numbers

| Metric | SOS Oyunu | Bubuca Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 54 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Tansel Demir](https://appshunter.io/developer/521552619) | [Andrei Sirbu](https://appshunter.io/developer/6809233426) |

## What reviewers say

### SOS Oyunu

[App page](https://appshunter.io/ios/app/sos-oyunu/id1086105357)

This is a classic word-building game where players take turns placing 'O' or 'S' on an 8x8 board. The goal is to form the word 'SOS' horizontally, vertically, or diagonally while preventing opponents from doing the same. Play online or offline and track your scores.

**Highlights:** 8x8 game board, Place 'O' or 'S' tiles, Form 'SOS' horizontally, vertically, or diagonally, Online multiplayer via Game Center, Offline play available, Score tracking and leaderboards

**Features:** Vision Pro support

**In-app purchases:** none


### Bubuca Sudoku

[App page](https://appshunter.io/ios/app/bubuca-sudoku/id6809233424)

**In-app purchases:** none


## Frequently asked questions

### Is SOS Oyunu free?

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

### Is Bubuca Sudoku free?

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

### Do SOS Oyunu or Bubuca Sudoku have ads?

Both SOS Oyunu and Bubuca Sudoku show ads.

### Which is updated more often, SOS Oyunu or Bubuca Sudoku?

SOS Oyunu ships an update every 3 months, and Bubuca Sudoku every 2 days. Most recently, SOS Oyunu was updated on October 26, 2026 and Bubuca Sudoku on October 26, 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.*