# Sudoku Online: Multiplayer 1v1 — Duel friends, classic puzzles

> Duel friends, classic puzzles (iPhone/iPad app by Brothapps, SL.)

- Source: https://appshunter.io/ios/app/sudoku-online-multiplayer-1v1/id6502467533 (this page in markdown: same URL + `.md`)
- Developer: [Brothapps, SL](https://appshunter.io/developer/1126030162)
- Category: Games, Entertainment, Board, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 86 MB
- Languages: American English, Catalan, French (France), German (Germany), European Spanish
- Released: 2024-05-29
- Data updated: 2026-09-04
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-online-multiplayer-1v1/id6502467533/reviews.md

## What is Sudoku Online?

Play Sudoku online against friends in real-time 1v1 duels, or train your brain with hundreds of classic Sudoku puzzles offline. Same grid, two players: the faster solver wins.

MULTIPLAYER SUDOKU — REAL-TIME 1V1
• Create a private game and share the code with a friend, or join a public game against a random opponent.
• Both players solve the same Sudoku at the same time; every correct number scores a point.
• Wrong numbers cost you a time penalty, so think before you tap.
• Watch your rival's progress live and race to fill the grid first.

CLASSIC SUDOKU — SINGLE PLAYER
• Hundreds of hand-picked puzzles in four difficulties: easy, medium, hard and expert.
• Progress and best times are saved on every puzzle, so you can pick up where you left off.
• Play offline, anywhere: on the train, in bed, on a break.

DESIGNED FOR FOCUS
• Pencil notes: long-press a cell to jot down up to three candidate numbers.
• Clean, distraction-free board with big, readable numbers.
• Relaxing music and sound effects you can mute with one tap.
• Available in English, Spanish, Catalan, German and French.

HOW TO PLAY
1. Pick Single player and a difficulty, or Online multiplayer to start a duel.
2. Tap a cell, then tap a number. Long-press to add notes.
3. Fill the grid — or fill more cells than your opponent — to win.

Whether you want a quick logic puzzle or a competitive number game with friends, Sudoku Online is the Sudoku app that makes solving social. Download it and challenge someone today.


## Version history (last 5 releases)

### 1.2.0 — 2026-08-31

• Play in English, Spanish, Catalan, German and French — pick your language in Settings.
• Fresh new look across the whole app.
• New Settings screen: change your username and turn music & sounds on or off.
• Online matches now start instantly.
• Confetti when you solve a puzzle!
• Faster, smoother app under the hood.
• Bug fixes and stability improvements.

### 1.1.0 — 2024-06-12

- New Multiplayer lobbies

### 1.0.3 — 2024-06-04

- Stability release

### 1.0.2 — 2024-05-30

- Stability release

### 1.0.1 — 2024-05-30

- Bug fixes
- Performance improvements

## Apps similar to Sudoku Online

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Squid Sudoku](https://appshunter.io/ios/app/squid-sudoku/id1590299931) | 4.4 (13) | Free | Games |
| [Sudoku Multiplayer Puzzles](https://appshunter.io/ios/app/sudoku-multiplayer-puzzles/id1538613985) | 4.4 (15) | Free | Games |
| [Sudoku 21A](https://appshunter.io/ios/app/sudoku-21a/id1554695823) | 1.0 (2) | Free | Games |
| [Sudoku - online game](https://appshunter.io/ios/app/sudoku-online-game/id6444047811) | 4.6 (14) | Free | Games |
| [Classic Sudoku Online](https://appshunter.io/ios/app/classic-sudoku-online/id1625718881) | 5.0 (1) | Free | Games |
| [Sudokufeuds](https://appshunter.io/ios/app/sudokufeuds/id6736343075) | — | Free | Games |

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All apps by Brothapps, SL: https://appshunter.io/developer/1126030162

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*