# Square One: Daily Sudoku

> Classic offline sudoku. Daily puzzles, streaks, and private, on-device play.

Canonical page: [https://chrome-stats.com/d/com.billabyte.squareone](https://chrome-stats.com/d/com.billabyte.squareone)

## Overview

- **ID:** `com.billabyte.squareone`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Billabyte
- **Category:** GAME\_PUZZLE
- **Downloads:** 185
- **Version:** 1.0.0
- **Last updated:** 2026-08-21
- **First published:** 2026-07-13
- **Publisher country:** AU
- **Size:** 73 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.billabyte.squareone)
- **Privacy policy:** [https://square-one.billabyte.au/privacy](https://square-one.billabyte.au/privacy)

## Description

Square One is a classic sudoku game with nothing in the way. No ads, no accounts, no tracking. Every sudoku puzzle is generated on your device and works fully offline.<br><br>DAILY SUDOKU CHALLENGE<br>Everyone gets the same daily sudoku board. Solve it, build your streak, and come back tomorrow. A live countdown shows when the next daily puzzle drops.<br><br>UNLIMITED FREE SUDOKU PUZZLES<br>Generate fresh sudoku boards whenever you like across four difficulty levels: easy sudoku for a quick warm up, medium and hard sudoku for a proper challenge, and expert sudoku for serious solvers. Every puzzle has a guaranteed unique solution.<br><br>A LOGIC GAME BUILT FOR SOLVING<br>- Smart highlighting for rows, columns, boxes and matching numbers<br>- Pencil marks and notes that auto-clear as you place digits<br>- Pinch to zoom with precise cell selection<br>- Three hints per game, undo, erase and board reset<br>- Manual checking: mistakes only show when you ask<br>- Haptic feedback, pausable timer, live score<br><br>BRAIN TRAINING THAT STICKS<br>- 18 achievements across milestones, streaks, difficulty and mastery<br>- Daily streak tracking with current and best streaks<br>- Personal bests for time and score at every level<br>- Lifetime stats, win rates and average solve times<br><br>OFFLINE AND TRULY PRIVATE<br>This sudoku game needs no internet connection. Everything is stored on your device: no logins, no servers, no analytics, no ads, ever. Optional daily reminders are scheduled locally on your phone.<br><br>Free sudoku, done properly. Download Square One and start today&#39;s puzzle.

## Rankings

- #1,739,718 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_APP_BADGE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.anddoes.launcher.permission.UPDATE_COUNT`
- `com.android.vending.CHECK_LICENSE`
- `com.billabyte.squareone.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.htc.launcher.permission.READ_SETTINGS`
- `com.htc.launcher.permission.UPDATE_SHORTCUT`
- `com.huawei.android.launcher.permission.CHANGE_BADGE`
- `com.huawei.android.launcher.permission.READ_SETTINGS`
- `com.huawei.android.launcher.permission.WRITE_SETTINGS`
- `com.majeur.launcher.permission.UPDATE_BADGE`
- `com.oppo.launcher.permission.READ_SETTINGS`
- `com.oppo.launcher.permission.WRITE_SETTINGS`
- `com.sec.android.provider.badge.permission.READ`
- `com.sec.android.provider.badge.permission.WRITE`
- `com.sonyericsson.home.permission.BROADCAST_BADGE`
- `com.sonymobile.home.permission.PROVIDER_INSERT_BADGE`
- `me.everything.badger.permission.BADGE_COUNT_READ`
- `me.everything.badger.permission.BADGE_COUNT_WRITE`

## Similar extensions and apps

- [Daily Sudoku: Offline Puzzle](https://chrome-stats.com/d/com.sunstoneapps.dailysudoku) — 18 users
- [Sudoku - Classic Puzzle](https://chrome-stats.com/d/com.sinavhani.sudoku) — 169 users
- [Daily Sudoku](https://chrome-stats.com/d/com.redmoon.sudoku) — 17 users
- [Sudoku](https://chrome-stats.com/d/com.jogosnumeros.sudoku) — 17 users
- [Sudoku](https://chrome-stats.com/d/com.huttsmedia.sudoku) — 2 users
- [Sudoku Classic - Daily Puzzle](https://chrome-stats.com/d/es.codewheel.sudo) — 753 users
- [Sudoku Daily - Classic Puzzle](https://chrome-stats.com/d/com.ihg.sudoku) — 277 users
- [Sudoku - Offline Puzzle Game](https://chrome-stats.com/d/com.elixir.sudoku.puzzlegame) — 2,110 users
- [Sudoku: Offline game](https://chrome-stats.com/d/com.holylabs.sudoku) — 262 users
- [Sudoku - Daily Puzzle Game](https://chrome-stats.com/d/com.ozavegames.sudoku.classic.offline) — 8 users
- [Sudoku](https://chrome-stats.com/d/com.puzzle.games.math.brain.sudoku) — 96,624 users, 4.60 / 5
- [Sudoku Solver - Daily Puzzle](https://chrome-stats.com/d/com.kihigames.sudoku.puzzle.solver.free) — 16 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.billabyte.squareone)