Comparison

Sudoku HD+ 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 HD+

Solve thousands of Sudoku puzzles with five difficulty levels and helpful features like smart notes and multiple error checking options. Compare your scores with others on online leaderboards.

Highlights
  • Thousands of Sudoku puzzles
  • Five difficulty levels
  • Dual Pad and Single Pad input modes
  • Save and restore puzzle states
  • Smart Notes assistance
  • Multiple error checking levels
  • Online leaderboards
Features
Read full description

Sudoku HD+ is the best way to solve your favorite puzzles on the iPhone or the iPad! Thousands of sudokus! There are thousands of sudokus available right now. So you should not run out of puzzles to solve for quite some time. And new puzzles will be added with every update! Five difficulty levels! Categorized in five difficulty levels there are enough puzzles for everyone from beginners to professionals who like even the diabolical sudokus! Two different modes to enter your solutions! The Dual Pad Mode gives you two distinct keypads, one for entries and one for notes. The alternative is a Single Pad where you can switch between entering entries and notes and have bigger buttons. You can switch between the two modes at any time in the options menu! Save & restore! If you need to try out a solution, but you are not shure if it is correct, you can save the current state and come back to it whenever you want! Support through Smart Notes! If you enable Smart Notes the app will fill out all the possible notes and remove those which get impossible by the solutions you enter. This may give you just the bit help you need to solve those really hard puzzles! Multiple levels of error checking! With three levels of error checking there is a mode that suits everyone. The default mode will show you if you enter a number that is not possible at the field at the current time. Additional you can enable this error checking for the notes. The last option will show you if a number is wrong immediatly when you enter it. For those who don't want any help all options can be disabled. Online Leaderboards to compare yourself with others! The Game Center integration allows you to compare yourself with others. There are distinct leaderboards for each difficulty level and a general leaderboard where all levels are included. New Features to come! Future updates will bring more features and game modes, so stay tuned for even more fun with Sudoku HD+! Download Sudoku HD+ now and solve your favorite puzzles whereever you are!

About

Sudoku

Challenge your mind with a classic number puzzle game. Enjoy customizable difficulty levels and backgrounds to enhance your gameplay experience. Perfect for honing your logic and number-solving abilities.

Highlights
  • Number skill testing
  • Adjustable difficulty levels
  • Customizable backgrounds
  • Master the game
  • Logic puzzles
Features
Read full description

Sudoku- is a great way to test your number skills and have fun at the same time. Select the difficulty level and background in the "Settings" screen. Play until you master the game. If you like this app, please consider giving it a rating. Your support will help keep the updates coming! Thank you for your support!

Screenshots

Sudoku HD+3 screens
Sudoku3 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku HD+ at none against Sudoku's 1. Sudoku HD+ also leads on ads (none vs shown) and update cadence (every 9 days vs every 13 months). Sudoku's advantage is review sentiment (97% vs 71%) and ratings volume (53 vs 15). On price, rating 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. Sudoku sells 1 one-off in-app purchase. Sudoku HD+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Sudoku HD+ against 4.4 for Sudoku. Both are backed by a comparable volume of ratings — 15 and 53 respectively. Written reviews are what separate them: 71% of Sudoku HD+'s written reviews are positive against 97% of Sudoku's.

UpkeepUpdate frequency

Sudoku HD+ ships an update every 9 days, Sudoku every 13 months. The most recent releases landed on October 30, 2026 and September 28, 2026 respectively.

Scorecard7 real differences · 3 level
Sudoku HD+ versus Sudoku: the parameters behind the verdict, then further details
ParameterSudoku HD+Sudoku
PriceFreeFree
Rating4.3 (15 ratings)4.4 (53 ratings) — better
Positive reviews71.4% of reviews97.2% of reviews — better
Number of ratings1553 — better
Update frequencyEvery 9 days — betterEvery 13 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size33 MB14 MB
Age rating4+4+
DeveloperFlorian LetzHorizon Business, Inc.

Customer experience

Sudoku HD+

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

Sudoku

All ratings53 ratings
Positive86.8%
Neutral3.8%
Negative9.4%
Written reviews36 reviews
Positive97.2%
Neutral2.8%
Negative0.0%

In-app purchases

None

Sudoku HD+

No in-app purchases

1 purchases

Sudoku

One-time1
  • Remove Ads$4.99

Questions

Is Sudoku HD+ free?
Sudoku HD+ is free to download, with no in-app purchases.
Is Sudoku free?
Sudoku is free to download, with in-app purchases available.
Which has better reviews, Sudoku HD+ or Sudoku?
Sudoku is rated higher. Sudoku HD+ averages 4.3 out of 5 from 15 ratings, while Sudoku averages 4.4 from 53 ratings.
Do Sudoku HD+ or Sudoku have ads?
Sudoku shows ads; Sudoku HD+ does not.
Which is updated more often, Sudoku HD+ or Sudoku?
Sudoku HD+ ships an update every 9 days, and Sudoku every 13 months. Most recently, Sudoku HD+ was updated on October 30, 2026 and Sudoku on September 28, 2026.

Other comparisons