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Android Apps > Puzzle > Open Sudoku
Open Sudoku icon

Open Sudoku

by Moire · Puzzle · Free
On Google Play since February 2014 · Data updated 2026-10-29

Open Sudoku is made and published by Moire. AppBrain is an independent app data site and isn't affiliated with Moire. The app name, icon, screenshots and description belong to Moire and are shown as published on Google Play.

AppBrain's verdict

EstablishedLoved by users
Total installs
52 thousand
Rating on Google Play
4.68
503 ratings
Last updated
August 18, 2026

Open Sudoku has 52 thousand installs. Users love it: 4.7 stars from 503 ratings.

Official page on Google Play

Installs

Tracked by AppBrain
Last 30 days
2.4 thousand
Per day
81
30-day average
Play install range
50+ thousand
Launched
February 2014

Installs over time

Open Sudoku has been installed 52 thousand times. Over the past 30 days, it averaged 81 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Open Sudoku

This app is not ranked

Competitors

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Releases

Updates seen on Google Play
Version
4.10.0
Launched
February 2014
  • Oct 15, 2026Installs50,000+ installs
  • Aug 18, 2026UpdateVersion 4.10.0
  • Aug 4, 2026UpdateVersion 4.9.0
  • Jul 15, 2026UpdateVersion 4.8.0
  • Jun 26, 2026UpdateVersion 4.7.0
Show all changes Show fewer

User feedback

Ratings and reviews on Google Play

Google Play Rating history and histogram

430
14
29
14
9

Comments on Open Sudoku for Android

★★★★★ Brian Ronald · Sep 8, 2022
Fixed since 3.9.2, this app is back to its fantastic self. If you like sudoku, with a configurable level of assistance/cheating, no ads or costly add-ons, and a choice of input methods, this is the app you want.
★★★★☆ Angela · Sep 14, 2026
Finally an actually free and ad free app. Only bummer is that once you're done solving the puzzles, you have to download more on your own. Also not sure what the hand and ! Icons are in the puzzle lists
★★★★★ Anselm Peter · Oct 14, 2022
This is the best Sudoku game in play store. I liked every aspect of game, levels, themes, highlight features and all others. Seriously loving it. Great 👍 job devs.
★★★★☆ By Czy · Nov 20, 2025
Nice open source app. Great difficult modes and cool import of new XML sudoku.
★☆☆☆☆ Nick Daniels · May 25, 2025
Input modes are buggy and messed up. Tick marks only have the option for all and have to be manually edited and that is also messed up and buggy. Who messed up this upgrade?
★☆☆☆☆ Steve Adams · Sep 20, 2024
Was brilliant, now rubbish. The latest update has completely spoiled a previously good app. I'll uninstall it now.
★☆☆☆☆ Cate Malone · Nov 12, 2025
Please add the old color scheme, the new one is too chaotic, I cannot tell what's selected as colors are too similar I'm more than happy to change my review if these criteria is fixed please.
★☆☆☆☆ Daniel Wagner · Oct 6, 2024
Used to be the best Sudoku app. Most recent update completely breaks usability.
★☆☆☆☆ JA JA · Sep 22, 2024
It was my favorite game for years.....until last update. Colors of starting cells have changed and now make cells unreadable. Inserted values in cells are now white for some reason. Insert a wrong value and a blaring audio beep is heard. They ruined it for me.

Technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
15
App size
39.1 MB
Content rating
Everyone

Technologies used by Open Sudoku

1 permissions · 15 libraries
Subscribe to see full permission and library details

About the app and developer

About Open Sudoku

Open Sudoku is a puzzle app developed by Moire.

Install Statistics

Open Sudoku has been installed 52 thousand times. In the last 30 days, the app was installed 2.4 thousand times.

User Ratings

Open Sudoku is rated 4.68 out of 5 stars. The rating is based on 500 ratings.

App Information

Open Sudoku is freely available from Google Play. The app size is 39.08 MB. The latest version available is 4.10.0. The last update was on August 18, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since February 2014.

App Performance Report

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Developer information for Moire

Moire

contact-project+opensudoku-opensudoku-support@incoming.gitlab.com

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Frequently asked questions about Open Sudoku

Is Open Sudoku free?

Yes. Open Sudoku is free on Google Play.

Is Open Sudoku still available?

Yes. Open Sudoku is on Google Play, and the last update we saw was on August 18, 2026.

Does Open Sudoku contain ads?

No. Google Play does not list Open Sudoku as containing ads.

How large is Open Sudoku?

Open Sudoku is 39.08 MB.

Is Open Sudoku suitable for children?

Google Play rates the content of Open Sudoku as suitable for everyone.

How many times has Open Sudoku been installed?

Google Play lists 50,000+ installs for Open Sudoku.

How do people rate Open Sudoku?

Open Sudoku scores 4.68 out of 5 stars, from 503 ratings on Google Play.

Who made Open Sudoku?

Open Sudoku was developed by Moire. It is listed in the puzzle category on Google Play.

What are the best alternatives to Open Sudoku?

People looking at Open Sudoku also look at these puzzle apps: Sudoku 10'000, Sudoku 10'000 Pro, Sudoku 4ever, Sudoku 4ever Plus, Grid games (crossword & sudoku.

Share Open Sudoku

Store listing

By Moire, from Google Play

“Open Sudoku is an Open Source Sudoku game.”

Open Sudoku Screenshot 1 of 9
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Open Sudoku Screenshot 9 of 9
Screenshots by Moire, from the Google Play listing
Description by Moire Written by the developer, not by AppBrain. Click to read.
Features:
• Without ads
• Puzzles can be downloaded from web, entered by hand or generated on the project's homepage
• Game stats (time spent, mistakes)
• Next step hints with multiple strategies suggestions
• Import to and export from a file
• Visual themes including custom theme editor
• Several input modes (finger-friendly numpad, popup, keyboard etc.)
• Double pencil marks
…and much more.

More information (including how to report ideas and issues) can be found on the project's home page: http://opensudoku.moire.org

Recent changes:
- New 'Validate pencil marks' feature to highlight clearly invalid marks
- Fix multiple landscape visibility issues (board and keypad)
- Improve edge-to-edge compliance and fix UI overlaps
- Improve theme selection UI and primary color preview in custom themes
- Fix App Not Responding issues during batch undo operations
- Performance optimizations
- Translations updates
Official page on Google Play
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