Comparison

Sudoku World vs Find Differences

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

Head to head
About

Sudoku World

Play an unlimited number of randomly generated Sudoku puzzles with various new puzzle types and difficulty levels. Enjoy multiplayer challenges, track your progress, and utilize smart tools for an enhanced experience.

Highlights
  • Unlimited randomly generated puzzles
  • Multiple Sudoku variants (X, Super, Jigsaw, 16x16, Samurai)
  • Multiplayer mode
  • Five difficulty levels
  • Save/Load puzzles
  • Smart note-taking and eraser
  • Customizable backgrounds
Features
Read full description

This is an awesome Sudoku app game that allows you to play an unlimited amount of sudoku puzzles on your iOS devices. 【 Features 】 ⊲ There is no possibility to get twice the same puzzle since they are randomly generated. ⊲ Added new kinds of sudoku puzzles: X Sudoku, Super Sudoku, Jigsaw Sudoku, 16x16 Sudoku and Samurai Sudoku. ⊲ Added multiplayer mode of sudoku game: You can play/challenge sudoku game with your friends and other sudoku player on line. ⊲ Support !!!!!! GAME CENTER !!!!!!!, 25 Leaderboards and 20 achievements. ⊲ Five levels of difficulty. ⊲ Load/Save puzzle from/to the application database. ⊲ Statistic, it saves every finished puzzles automatically, that allows you to keep tracking your best played records for each level, you can restart it whenever you want to re-challenge it. ⊲ Pause/Resume which allows you are able to take a short break from the puzzle. ⊲ Undo/Redo the selected number. ⊲ Smart note, automatically put the related note on the field, or put all notes for all fields or clear them all with only one tap. ⊲ Auto/manual check for incorrect numbers. ⊲ Smart eraser to let you remove number on the field clearly and easily. ⊲ Hint, to provide you a easy way to find out current single note field, certainly a little penalty is required :-). ⊲ Keep device from sleeping, your iPhone/iPod no longer sleep while you are thinking in a puzzle. ⊲ Smart coloring fields, allows you to see the relation of each fields while tapping on it. ⊲ In game progress indicator, to show you current progress with a bar interface. ⊲ Compatible with iOS12.0 iPod, iPhone device, Retina Display for iPhone 6/7/8/X/XS (Max) support. ⊲ Customize your own background by picking up an photo from your own album. Any reviews and ratings are all appreciated, your comments are making this sudoku app become better!!

About

Find Differences

Engage in a visual puzzle game where you spot differences between two images within a time limit. Earn points by completing tasks and unlock new content. Features a unique shooting mode for bonus points.

Highlights
  • Spot differences between images
  • Timed challenges
  • Earn reward points
  • Unlock new content
  • Shooting mode for bonus points
  • New picture updates
Features
Read full description

This is a find differences based game.The image in accordance with the different types of classification.You can choose the picture you are interested in the game.Each image requires a certain number of points to unlock in order to play the game.Every time you successfully complete finding fault task will get reward points. In addition, there will be new content check begin the app launch. The number of points you can earn by shooting mode. #Features: 1.About find differences games: Identify the two pictures is not the same place within the stipulated time.Looking in the wrong time will be deducted from a heart. Beware the end of the full amount or time has not yet completed the task, the game will end. Completed finding fault corresponding points reward. 2.Shooting modes of play: Picture will fall from the top of the shooting scene, the players need to give the picture type shooting corresponding picture, players launch a pushpin, tap the screen to launch, if hit pictures, thumbtacks will picture on the wall,each hit bonus points, consecutive hit several times, the scores obtained will be more opposite if hit the wrong picture will be deducted points. Careful picture type instructions will change randomly. 3.New content update: New find difference picture will be checked when the app launch. You can download it and play it .

Screenshots

Sudoku World4 screens
Find Differences4 screens

Verdict

The call

The clearest difference is in-app purchases: Find Differences at none against Sudoku World's 1. Find Differences also leads on ads (none vs shown) and rating (5.0 vs 4.7). Sudoku World's advantage is ratings volume (1.5K vs 2) and update cadence (every 4 months vs every 19 months). On price 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 World sells 1 one-off in-app purchase. Find Differences asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Find Differences holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Sudoku World has 1.5K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 85% of Sudoku World's written reviews are positive against 100% of Find Differences's.

UpkeepUpdate frequency

Sudoku World ships an update every 4 months, Find Differences every 19 months. The most recent releases landed on September 24, 2026 and June 25, 2026 respectively.

Scorecard8 real differences · 2 level
Sudoku World versus Find Differences: the parameters behind the verdict, then further details
ParameterSudoku WorldFind Differences
PriceFreeFree
Rating4.7 (1.5K ratings)5.0 (2 ratings) — better
Positive reviews84.5% of reviews100.0% of reviews — better
Number of ratings1.5K — better2
Update frequencyEvery 4 months — betterEvery 19 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size81 MB22 MB
Age rating4+12+
DeveloperChaohsien Lee昶燎 张

Customer experience

Sudoku World

All ratings1,493 ratings
Positive94.8%
Neutral3.3%
Negative1.8%
Written reviews368 reviews
Positive84.5%
Neutral4.9%
Negative10.6%

Find Differences

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Sudoku World

Reported bugs

3 issues
  • Game freezes or crashes frequently
  • Progress/scores not saving properly
  • UI elements overlapping or hard to use

Requested features

4 requests
  • Add ability to turn off/customize certain features
  • Improve save/resume functionality
  • Optimize performance on older devices
  • Add more customization options (themes, layouts, etc.)

Find Differences

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Sudoku World

One-time1
  • Disable Ads$1.99
None

Find Differences

No in-app purchases

Questions

Is Sudoku World free?
Sudoku World is free to download, with in-app purchases available.
Is Find Differences free?
Find Differences is free to download, with no in-app purchases.
Which has better reviews, Sudoku World or Find Differences?
Find Differences is rated higher. Sudoku World averages 4.7 out of 5 from 1.5K ratings, while Find Differences averages 5.0 from 2 ratings.
Do Sudoku World or Find Differences have ads?
Sudoku World shows ads; Find Differences does not.
Which is updated more often, Sudoku World or Find Differences?
Sudoku World ships an update every 4 months, and Find Differences every 19 months. Most recently, Sudoku World was updated on September 24, 2026 and Find Differences on June 25, 2026.

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