Comparison

Shape Theory vs Sudoku

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

Head to head
About

Shape Theory

Uncover hidden geometric shapes by strategically revealing parts of a concealed form. Deduce the correct shape from a list of suspects to advance through increasingly challenging levels. Compete globally for the top leaderboard spot.

Highlights
  • Shape discovery through limited reveals
  • Strategic deduction of hidden forms
  • Progressive difficulty levels
  • Minimalist, captivating graphics
  • Global leaderboard competition
  • Brain teaser and strategy gameplay
Features
Read full description

Master the art of perception in Shape Theory—a sleek, addictive puzzle game where strategy meets deduction. Uncover hidden geometrical forms buried beneath a mysterious surface and put your sharpest instincts to the test. Think you have what it takes? Dive into a labyrinth of shadow and shape. How to Play: 1. DISCOVERY: Tap the mysterious sand to reveal slices of the hidden shape. With only three glimpses allowed per round, every move is a calculated risk. Use them wisely! 2. DECISION: Analyze your findings. Once you’ve pieced together the clues, select the correct form from the five suspects below. Nail the deduction to advance. 3. ADVANCEMENT: As you progress, the mysteries grow more complex. Can you stay sharp as the challenge intensifies? Play it cool, minimize your clues, and maximize your score. Shape Theory features a minimalist aesthetic designed to keep you locked in the zone, focusing entirely on the puzzle at hand. Ready to prove your genius? Climb the global leaderboard, challenge your friends, and establish your dominance. It’s time to unleash your inner detective. Download Shape Theory and master the geometric unknown today. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sudoku

Read full description

Enjoy the classic Sudoku puzzle game! Ready to sharpen your mental skills while having fun? Sudoku is a classic math puzzle designed for all ages. It's the perfect way to improve your logic, concentration, and problem-solving abilities while enjoying engaging gameplay. Features: 4 difficulty levels (Easy, Normal, Hard, Expert) Daily Sudoku puzzles Undo and hint system Detailed statistics and progress tracking Clean, user-friendly interface Quick games and extended play options Solve new puzzles daily, open your mind, and track your improvement. Challenge yourself and achieve your goals!

Screenshots

Shape Theory4 screens
Sudoku3 screens

Verdict

The call

The clearest difference is device support: Shape Theory at 3 against Sudoku's 1. On price, update cadence, ads and in-app purchases 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. Shape Theory sells 3 in-app purchases, starting at $0.99 per month and Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Shape Theory ships an update every 3 weeks, Sudoku every 10 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

Scorecard1 real difference · 7 level
Shape Theory versus Sudoku: the parameters behind the verdict, then further details
ParameterShape TheorySudoku
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 weeksEvery 10 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS18.617.0 — better
Further details — not scored
Size13 MB12 MB
Age rating4+4+
DeveloperBulltechOMER ASLAN

In-app purchases

3 purchases

Shape Theory

Subscriptions2
  • No Ads For 1 Month$0.991 Month
  • No Ads For 1 Year$4.991 Year
One-time1
  • No Ads Forever$8.99
1 purchases

Sudoku

One-time1
  • No Ads - Forever$9.99

Questions

Is Shape Theory free?
Shape Theory is free to download, with in-app purchases available.
Is Sudoku free?
Sudoku is free to download, with in-app purchases available.
Do Shape Theory or Sudoku have ads?
Both Shape Theory and Sudoku show ads.
Which is updated more often, Shape Theory or Sudoku?
Shape Theory ships an update every 3 weeks, and Sudoku every 10 days. Most recently, Shape Theory was updated on November 3, 2026 and Sudoku on November 9, 2026.

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