Comparison

▻Sudoku + vs Sudoku ′

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

Head to head
About

▻Sudoku +

Experience Sudoku with a unique point system, runs tracking, and online leaderboards. Enjoy thousands of free puzzles with adjustable difficulty and stunning graphics. Compete with friends and players worldwide in this evolved take on the classic game.

Highlights
  • Smart point system
  • Online leaderboards
  • Runs tracking
  • Thousands of free puzzles
  • Selectable difficulty levels
  • Customizable tile/board looks
Features
Read full description

▻Sudoku is Sudoku with Point System, Runs, and Online Leaderboards. Discover the next evolution of Sudoku with amazing graphics, animations, and ease of use. This is a Sudoku like one you have never experienced before ;) ...Thousands of puzzles, all free. Top class puzzles with selectable level of difficulty :) ________________________________ To the classic Sudoku, we added: => A smart point system, wherein your score is based on 1) the value of each number multiplied (at the time of its match) by a multiplier that decreases in time and 2) the value of each block, row, column multiplied (at the time of its completion) by the decreasing multiplier => Thanks to Game Center, you can now rank and compare Sudoku scores and achievements against friends and strangers => ▻Sudoku also counts the runs, that is, each uninterrupted sequence of games won, and adds them to the online leaderboards ________________________________ In ▻Sudoku, you win a game when you solve a puzzle with 3 errors or less (we used this threshold to give a bit of slack for mis-tapping :) Also, you have a number of hints to help you play (more at the easy, less at the hard level). To fit any taste, you can choose between a lush tile look or a more classic board look :) ________________________________ What our testers are saying: • "The game is perfect! I am really loving ▻Sudoku. It is very addicting and fun, absolutely the best sudoku I have ever played." • "Fabulous! You turned me into a ▻Sudoku fan hook, line and sinker :)" • "The gameplay of ▻Sudoku is great, very smooth." • "Great app - love it! Well done! Love the start up sounds/music!"

About

Sudoku ′

Engage with an unlimited supply of Sudoku puzzles, playable online or offline. This app offers six difficulty levels, daily challenges, and a clean, user-friendly interface designed for both novice and expert players. Enjoy a distraction-free experience with customizable settings and essential tools like undo/redo and note-taking.

Highlights
  • Unlimited Sudoku grids
  • Offline play
  • 6 difficulty levels
  • Daily challenges
  • Undo/Redo functionality
  • Automatic and manual notes
  • Conflict and error highlighting
Features
Read full description

Sudoku for beginners and advanced players alike, with unlimited grids on or offline, 6 difficulty levels ranging from "easy" to "diabolical," daily challenges, and a beautiful ergonomic design. Sudoku with no distractions: - Fast: no lengthy intros or slow animations. - Small: doesn't eat up a lot of storage on your device. - Friendly: big buttons avoid fat-fingering. - Non-intrusive: plays your music and nothing else. Sudoku with all the nuts and bolts: - Undo / Redo. - 10 concurrent grids. - Automatic and manual notes. - Conflict and error highlighting. - Customizable input and display settings. Sudoku on all your devices: - Universal: iPad, iPhone, and iPod touch. - Retina: native resolution on all screens. For feature requests and feedback, please email us at help@mindthefrog.com. Enjoy, The friendly team at mindthefrog :)

Screenshots

▻Sudoku +4 screens
Sudoku ′4 screens

Verdict

The call

The clearest difference is price: Sudoku ′ at Free against ▻Sudoku +'s $4.99. Sudoku ′ also leads on update cadence (every 3 months vs every 7 months). ▻Sudoku +'s advantage is in-app purchases (none vs 1) and chart position (#29 vs unranked). On rating, review sentiment, ratings volume and ads 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

Sudoku ′ is free to download; ▻Sudoku + costs $4.99 up front. Sudoku ′ sells 1 one-off in-app purchase. ▻Sudoku + asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for ▻Sudoku + against 4.7 for Sudoku ′. Both are backed by a comparable volume of ratings — 15K and 39K respectively. Written reviews are what separate them: 89% of ▻Sudoku +'s written reviews are positive against 81% of Sudoku ′'s.

UpkeepUpdate frequency

▻Sudoku + ships an update every 7 months, Sudoku ′ every 3 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 6 level
▻Sudoku + versus Sudoku ′: the parameters behind the verdict, then further details
Parameter▻Sudoku +Sudoku ′
Price$4.99Free — better
Rating4.8 (15K ratings) — better4.7 (39K ratings)
Positive reviews88.8% of reviews — better81.3% of reviews
Number of ratings15K39K — better
Update frequencyEvery 7 monthsEvery 3 months — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
Best chart rank#29 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better12.4
Further details — not scored
Size73 MB6 MB
Age rating12+4+
DeveloperPeopleFun CG, LLCMind The Frog, Inc.

Customer experience

▻Sudoku +

All ratings14,463 ratings
Positive97.5%
Neutral1.4%
Negative1.1%
Written reviews409 reviews
Positive88.8%
Neutral4.6%
Negative6.6%

Sudoku ′

All ratings38,355 ratings
Positive94.6%
Neutral3.7%
Negative1.7%
Written reviews555 reviews
Positive81.3%
Neutral6.8%
Negative11.9%

User reviews

▻Sudoku +

From 15K App Store ratings

What we love

  • 💡 No ads
  • 👍 Intuitive interface
  • 🧠 Mentally challenging
  • 🕰️ Ability to track progress and high scores
  • 🎨 Variety of themes and backgrounds

Room to improve

  • 🐛 Inconsistent scoring system
  • 🐛 Occasional bugs and glitches
  • 🔄 Difficulty in disabling screen rotation
  • 👀 Small number tiles can be hard to select accurately

Sudoku ′

From 39K App Store ratings

What we love

  • 👍 Easy to use
  • 🧠 Challenging levels
  • 🎨 Customizable colors
  • 📝 Helpful note-taking feature
  • 🔍 Number highlighting

Room to improve

  • 🔍 Confusing note-taking behavior
  • 🔍 Difficulty level jumps
  • 🔍 Ads interrupting gameplay
  • 🔍 Lack of progress tracking
  • 🔍 Unstable on some devices

Bugs and requests

▻Sudoku +

Reported bugs

3 issues
  • Numbers disappearing from the selection bar
  • Incorrect answers being registered as mistakes
  • Rotation lock settings not persisting

Requested features

4 requests
  • Auto-fill pencil marks option
  • More advanced difficulty levels
  • Ability to export/import game data across devices
  • Option to disable the 3-mistake limit

Sudoku ′

Reported bugs

4 issues
  • Puzzle errors
  • App crashes
  • Incorrect number placement
  • Sideways orientation on tablets

Requested features

5 requests
  • Ability to stay in note mode
  • More granular difficulty levels
  • Mute option for ads
  • Progress tracking and statistics
  • Improved stability on older devices

In-app purchases

None

▻Sudoku +

No in-app purchases

1 purchases

Sudoku ′

One-time1
  • Remove Ads$1.99

Questions

Is ▻Sudoku + free?
▻Sudoku + costs $4.99, with no in-app purchases.
Is Sudoku ′ free?
Sudoku ′ is free to download, with in-app purchases available.
Which has better reviews, ▻Sudoku + or Sudoku ′?
▻Sudoku + is rated higher. ▻Sudoku + averages 4.8 out of 5 from 15K ratings, while Sudoku ′ averages 4.7 from 39K ratings.
Do ▻Sudoku + or Sudoku ′ have ads?
Both ▻Sudoku + and Sudoku ′ show ads.
Which is updated more often, ▻Sudoku + or Sudoku ′?
▻Sudoku + ships an update every 7 months, and Sudoku ′ every 3 months. Most recently, ▻Sudoku + was updated on October 27, 2026 and Sudoku ′ on October 28, 2026.

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