Zen Sudoku: Classic Sudoku

Free classic sudoku: 4 levels, daily puzzle, timed mode and art collections.

QuatroIT · com.quatroit.zensudoku

Not rated yet v1.0.10 103.4 MB Android 12L+ PEGI 3 · Everyone

Download APK 103.4 MB All versions

Zen Sudoku: Classic Sudoku screenshot 10

Zen Sudoku: Classic Sudoku screenshot 11

Zen Sudoku: Classic Sudoku screenshot 12

Zen Sudoku: Classic Sudoku screenshot 13

Zen Sudoku: Classic Sudoku screenshot 14

Zen Sudoku: Classic Sudoku screenshot 15

At a glance

Latest version: v1.0.10 (12)
Updated: Sep 4, 2026 (1 month ago)
APK size: 103.4 MB
Requires: Android 12L+ (API 32)
CPU support: ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 3.0+
Category: Puzzle (game)
Permissions: 14
Website: quatro16.github.io
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Zen Sudoku: Classic Sudoku is a game by QuatroIT in the Puzzle category. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 14 permissions, none of them sensitive. The game can read the advertising ID that ad and analytics services use.

What's new in v1.0.10

• Added a "Rate the game" option in settings • Minor improvements and fixes

Description

From the listing uploaded by “superpocket”.

Zen Sudoku is a free classic sudoku without the rush. A 9x9 number puzzle that helps you relax and train your brain: a clean board, soft colours and just enough help to keep you moving. Sudoku for beginners and experts Four difficulty levels of classic 9x9 sudoku. Easy sudoku to learn the rules. Medium balances logic and speed. Hard is for experienced players. Expert is the toughest puzzle for a real workout. Your best time is saved per level. Daily puzzle A fresh sudoku every day. Solve it and earn crystals. The daily challenge keeps your streak alive and turns a brain game into a habit. Timed mode Finish the sudoku before the clock runs out. Your reward depends on the difficulty and how much time you have left. Handy notes and hints • Notes, undo and erase • Notes clear themselves as you place numbers • Mistake highlighting and the three-lives mode can be switched off in settings • Hints recharge on their own over time Art collections for crystals Unlock pieces with crystals and complete each artwork — a reward for every sudoku you solve. Achievements and stats Win streaks, speed, difficulty, daily puzzles and secret achievements. Full stats: games played, win rate, best and average time, current and longest streak. Your progress is safe Sign in with Google Play Games and your progress is stored in the cloud, ready on your next device. Download Zen Sudoku free: a calm logic game, classic sudoku for beginners and hard puzzles for those who play every day. Find calm in numbers.

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “zph-mph” Not the developer's name (“QuatroIT”). Names in certificates can't be verified, so this alone proves nothing.

Store checks and file details

Developer signature verified Sep 4, 2026
Signed byCN=Jx Clarynx, O=zph-mph, OU=anon.org, L=Caraga, ST=Surigao Del Norte, C=8609
Signing certificate (SHA-1)7D:64:F9:C2:53:C7:EF:35:A0:72:0F:6F:8A:80:2B:D4:B9:20:AA:3A
File MD505a37422753b37ca9a93333499bc63a5
Uploaded by “superpocket” Silver tier · 5,272 followers · uploading since 2016

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (14)

Zen Sudoku: Classic Sudoku requests 14 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.quatroit.zensudoku.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) com.quatroit.zensudoku.permission.C2D_MESSAGE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Portrait screen android.hardware.screen.portrait