Comparison

Microsoft Sudoku vs EchoLink

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Microsoft Sudoku

Enjoy classic and unique Sudoku puzzles with adjustable difficulty. Engage in daily challenges, track your progress, and customize your gameplay with various themes and settings. An optional premium subscription removes ads and unlocks past challenges.

Highlights
  • Classic and Irregular Sudoku modes
  • 6 difficulty levels
  • Daily Challenges with badges
  • Multiple themes and symbol options
  • Note-taking and mistake erasing
  • Cloud save and Xbox Live achievements
  • Progress tracking and statistics
Read full description

Relax and keep your mind sharp with a game of Microsoft Sudoku, the world’s best Sudoku app. Classic: Play puzzles you’ve come to love now with 6 difficulty levels to choose from! Elegant, clean and intellectually stimulating. Play at your leisure where every puzzle is freshly generated giving you a never-ending supply of unique classic Sudoku games to play. Irregular: Try a whole new take on Sudoku! Rules are the same but the blocks have irregular shapes. You might not ever go back to the classic way of playing again! It’s cool to be Irregular. Daily Challenges: Play 3 unique challenges every day, collect coins and win badges! Classic, Irregular and an all new Ice Breaker game mode! In Ice Breaker placing correct numbers sends shockwaves across the board that break the ice. Give it a try, it’s a breeze! Features… • Freshly generated puzzles every game across 6 levels of difficulty for Classic and Irregular Sudoku • 3 new Daily Challenges every day • Multiple different themes to choose from. Are you a visual person? Try the Charms theme that uses symbols instead of numbers and can be played in any game mode! • Take notes like you would like you did on paper that get automatically updated each time you fill in a cell. • Made a mistake? No problem just erase it • Sign in with a Microsoft account to earn Xbox Live achievements and save your progress in the cloud across all your Apple devices. • Track your Statistics for all game modes including your Best Time, Average Time, and Games Played. • Customize the way you play with tons of settings including Block Duplicates, Show Mistakes, Show All Notes, and more! • Play by choosing a square first or a number first. Any input method works! • Pick up right where you left off, your classic and irregular puzzle progress is saved when you close the app! Upgrade to Premium on iPhone and iPad. You can purchase the Microsoft Sudoku Premium Subscription for $1.99 per Month or $9.99 per Year. Benefits that come with a Premium Subscription include: • Removing advertisements from your game • Play Daily Challenges from previous months NOTE: Premium Subscription grants premium experience on mobile only. It is non-transferrable to other platforms. Payment will be charged to your iTunes Account on confirmation of purchase. Subscription automatically renews monthly or annually depending on the subscription type purchased. Payment will be charged to your iTunes Account within 24-hours prior to the end of the current period ($1.99 monthly, or $9.99 annually, depending on the subscription type purchased). You can turn off your auto-renewal by going to your Account Settings after purchase. If auto-renewal is turned off at least 24-hours before the end of the current period, you will not be charged for the next period. All cancellations will take effect at the end of the current period. © Microsoft 2025. All Rights Reserved. Microsoft, Microsoft Casual Games, the product logos and Sudoku, and the Sudoku logos are trademarks of the Microsoft group of companies. All other trademarks are the property of their respective owners. Acceptance of Microsoft Services Agreement and Privacy Statement are required to play. (https://www.microsoft.com/en-us/servicesagreement, https://www.microsoft.com/en-us/privacy/privacystatement) Microsoft account registration required for cross-platform play. Game offers in-app purchases. Persistent internet connection required. Features, online services and system requirements may vary by country and are subject to change or retirement over time.

About

EchoLink

Features
Read full description

Experience the thrill of explosive chain reactions! Connect orbs of the same color to create massive chains and earn incredible scores. The longer your chain, the bigger the reaction—and the greater the reward. Master each stage with skill and strategy as you chase your highest score. Take on 100 challenging levels and unleash the power of special orbs to create spectacular combos! Features • Addictive chain-link puzzle gameplay • Huge score bonuses for longer chains • 100 unique and challenging stages • Special orbs including Time, Freeze, Frenzy, and Nova • Strategic gameplay with rewarding high-score challenges • In-app purchase available to remove ads • Supports English, Korean, Japanese, and Spanish Start linking orbs today and create the ultimate chain reaction! 손끝으로 이어지는 짜릿한 연쇄 폭발! 같은 색의 오브를 연결해 화려한 체인을 만들고, 폭발적인 점수를 획득하세요. 길게 연결할수록 더욱 강력한 연쇄 반응이 발생하며, 전략적인 플레이가 높은 점수의 열쇠가 됩니다. 100개의 도전적인 스테이지를 클리어하고 다양한 스페셜 오브를 활용해 최고의 기록에 도전해 보세요! 주요 특징 • 중독성 있는 체인 연결 퍼즐 게임 • 길게 연결할수록 더욱 커지는 점수 보너스 • 100개의 개성 있는 스테이지 • 타임, 프리즈, 프렌지, 노바 등 다양한 스페셜 오브 • 전략과 순발력이 필요한 고득점 플레이 • 광고 제거 인앱 구매 지원 • 한국어, 영어, 일본어, 스페인어 지원 지금 바로 오브를 연결하고 최고의 연쇄 폭발을 만들어 보세요!

Screenshots

Microsoft Sudoku4 screens
EchoLink4 screens

Verdict

The call

The clearest difference is update cadence: EchoLink at every 3 weeks against Microsoft Sudoku's every 2 months. Microsoft Sudoku's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Microsoft Sudoku sells 2 in-app purchases, starting at $1.99 per month and EchoLink sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Microsoft Sudoku ships an update every 2 months, EchoLink every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Microsoft Sudoku versus EchoLink: the parameters behind the verdict, then further details
ParameterMicrosoft SudokuEchoLink
PriceFreeFree
Rating4.7 (7.5K ratings) — better—
Positive reviews37.3% of reviews—
Number of ratings7.5K — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size153 MB39 MB
Age rating4+4+
DeveloperMicrosoft CorporationJOOBONG LEE

Bugs and requests

Microsoft Sudoku

Reported bugs

4 issues
  • Daily challenge progress not syncing across devices
  • Levels and scores resetting unexpectedly
  • App getting stuck on loading screens
  • Ads hijacking device controls and interrupting background audio

Requested features

5 requests
  • Landscape mode support for tablets
  • More customization options for notes and highlighting
  • Ability to replay past daily challenges
  • Improved undo/redo functionality
  • Autofill or auto-complete options for advanced players

EchoLink

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Microsoft Sudoku

Subscriptions2
  • Premium Monthly Subscription$1.991 Month
  • Premium Yearly Subscription$9.991 Year
1 purchases

EchoLink

One-time1
  • Remove Ads$2.99

Questions

Is Microsoft Sudoku free?
Microsoft Sudoku is free to download, with in-app purchases available.
Is EchoLink free?
EchoLink is free to download, with in-app purchases available.
Do Microsoft Sudoku or EchoLink have ads?
Both Microsoft Sudoku and EchoLink show ads.
Which is updated more often, Microsoft Sudoku or EchoLink?
Microsoft Sudoku ships an update every 2 months, and EchoLink every 3 weeks. Most recently, Microsoft Sudoku was updated on October 29, 2026 and EchoLink on October 28, 2026.

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