Comparison

Apparent Sudoku vs quadroo!

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

Head to head
About

Apparent Sudoku

Experience classic Sudoku puzzles without any distractions. This app offers a clean interface, multiple difficulty levels, and advanced features like pencil marks and smart highlighting. Track your progress and compete globally with Game Center leaderboards.

Highlights
  • Four difficulty levels
  • Game Center Leaderboards
  • 50,000+ puzzles
  • Clean, intuitive interface
  • Pencil marks and smart highlighting
  • iCloud sync
  • iPad Apple Pencil support
Features
Read full description

Take a break, clear your mind, and solve the puzzle of the day. Apparent Sudoku pairs classic Sudoku with a calm, carefully made experience on iPhone and iPad. Version 2.5 lets you race your friends on every puzzle. FOUR DAILY CHALLENGES • The Daily: solve the day's board and keep your streak. • Daily Mini: a quick, nearly complete puzzle. • Daily X: every row, column, box and diagonal holds all nine digits. • The Twist: replay the Daily's board with one extra rule. It unlocks when you finish the Daily. RACE YOUR FRIENDS • See your Game Center friends' times on every puzzle you've both played: before you start, while you play and when you finish. • New games start on a puzzle a friend has solved, and the clock shows the next friend to beat. • Send a friend your time in a tap, see who's ahead this week, and keep a record against each friend. • Challenge friends on each Daily, and share any puzzle as a head-to-head race. • Each hint adds 30 seconds, so everyone gets a time. PLAY YOUR WAY • Choose a cell and then a digit, or pick up a brush and fill cells with a single tap. • Add pencil marks and erase mistakes easily. • On iPad, write right on the board with Apple Pencil. • On iPhone Duo, the board and keypad each take their own half, and your game carries across as you open and close it. • Larger text, VoiceOver, Increase Contrast and Reduce Motion are supported throughout. • Try Hardcore, 3 Strikes or Zen in regular games. A NEW LOOK Paper, ink and one bold color for each difficulty. Every Daily has its own geometric composition, and your win card shows the order you finished the boxes. UNLOCK SUDOKU PRO A one-time purchase unlocks the full library of 51,400 puzzles, Extreme difficulty and more board styles, including shapes, fruit and Wordoku, on iPhone, iPad and Mac. No ads and no tracking. No account needed to play. Game Center and iCloud are optional. Your puzzle times are shared with your Game Center friends, and you can turn off Share My Times anytime. Feedback is optional and sent only when you tap Send.

About

quadroo!

Tap tiles to clear the board in this challenging puzzle game. The game ends if you tap a tile with no available moves. Aim for a perfect score of 108 and compete with friends.

Highlights
  • Tile tapping gameplay
  • Board clearing puzzles
  • Score-based challenges
  • Competitive scoring
  • Simple tap controls
Features
Read full description

Welcome to Quadroo! A puzzle game where all you have to do is tap on tiles and clear the board. But watch out!! If you tap on a tile and have nowhere to go, the game is over! Play to get a max score of 108, and show off to your friends that you beat #quadroo!

Screenshots

Apparent Sudoku4 screens
quadroo!3 screens

Verdict

The call

The clearest difference is review sentiment: quadroo! at 100% against Apparent Sudoku's 43%. quadroo! also leads on rating (5.0 vs 3.4) and in-app purchases (none vs 1). Apparent Sudoku's advantage is update cadence (every 10 days vs every 2 months). On price, ratings volume, ads 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. Apparent Sudoku sells 1 one-off in-app purchase. quadroo! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

quadroo! holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 10 and 13 respectively. Written reviews point the same way: 43% of Apparent Sudoku's written reviews are positive against 100% of quadroo!'s.

UpkeepUpdate frequency

Apparent Sudoku ships an update every 10 days, quadroo! every 2 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard6 real differences · 4 level
Apparent Sudoku versus quadroo!: the parameters behind the verdict, then further details
ParameterApparent Sudokuquadroo!
PriceFreeFree
Rating3.4 (10 ratings)5.0 (13 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings1013 — better
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS26.017.6 — better
Further details — not scored
Size15 MB6 MB
Age rating4+4+
DeveloperApparent Logic, LLCQuadroo, LLC

Customer experience

Apparent Sudoku

All ratings10 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

quadroo!

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Apparent Sudoku

One-time1
  • Sudoku Pro$5.00
None

quadroo!

No in-app purchases

Questions

Is Apparent Sudoku free?
Apparent Sudoku is free to download, with in-app purchases available.
Is quadroo! free?
quadroo! is free to download, with no in-app purchases.
Which has better reviews, Apparent Sudoku or quadroo!?
quadroo! is rated higher. Apparent Sudoku averages 3.4 out of 5 from 10 ratings, while quadroo! averages 5.0 from 13 ratings.
Do Apparent Sudoku or quadroo! have ads?
Neither Apparent Sudoku nor quadroo! shows ads.
Which is updated more often, Apparent Sudoku or quadroo!?
Apparent Sudoku ships an update every 10 days, and quadroo! every 2 months. Most recently, Apparent Sudoku was updated on October 24, 2026 and quadroo! on October 12, 2026.

Other comparisons