Comparison

Merge Num vs The Art of Sudoku

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

Head to head
About

Merge Num

Features
Read full description

Learn Korean with Fun and Simple Number Puzzles! Combine numbers to learn the basics of the Korean alphabet (Hangul) in this delightful, easy-to-play puzzle game! Perfect for anyone looking to pick up Korean through an engaging and interactive experience. Cute Character Animations: Each number is represented by a charming character that performs fun actions and disappears as they combine, keeping you entertained with every move. Vibrant Visuals & Music: Enjoy the refreshing background visuals and music, designed to help you focus and enjoy learning. Challenge Your Mind: As you progress through the levels, match increasingly complex Korean word shapes for a true brain-teasing experience! Whether you’re just starting out or want a fun way to improve your Korean, this game is perfect for all ages. Download now and start learning Korean the playful way!

About

The Art of Sudoku

Enjoy a pure Sudoku experience with a paper-like grid and natural drawing input. Customize themes, fonts, and numeral styles for endless replayability. Offers daily challenges, quests, and adjustable difficulty for all skill levels.

Highlights
  • Hand-drawn number input
  • Infinite puzzle combinations
  • Customizable visual themes
  • Daily quests and challenges
  • Global numeral styles
  • Adjustable difficulty levels
  • Offline play
Features
Read full description

Sudoku* — Beautiful, Simple and Pure Puzzle Sudoku that stays true to the puzzle: clear, calm, and endlessly playable. Draw numbers by hand Solve on a paper-like grid. Write numbers with your finger or stylus for a natural, tactile experience. Infinite combinations Mix difficulty, themes, fonts, and drawing styles. Every session can look and feel different. Simple, beautiful themes Choose from many visual themes—from soft pastels to bold contrasts—to match your mood. Quests & daily challenges Follow quests, unlock new number sets, and enjoy daily puzzles for ongoing variety. Feeling spontaneous? Tap I'm Feeling Lucky for a random puzzle anytime. Fine-tuned customization Adjust font face, size, and rendering style so the grid feels exactly right for you. World numbers Play with numeral styles from around the world—dice, Braille, Roman, hieroglyphs, and more—for a fresh take on classic Sudoku. From kids to master Start with Mini grids and work up to extreme 9×9 puzzles. Use unlimited hints when you need them. E-reader support Optimized for e-reader displays and low-spec devices. Play comfortably on e-ink screens and older hardware. Offline & travel-friendly Play anywhere. No internet required—perfect for flights, commutes, and trips.

Screenshots

Merge Num3 screens
The Art of Sudoku4 screens

Verdict

The call

The clearest difference is ads: The Art of Sudoku at none against Merge Num's shown. Merge Num's advantage is update cadence (daily vs every 4 days) and iOS requirement (13.0 vs 15.0). On price, in-app purchases 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. Merge Num sells 1 one-off in-app purchase and The Art of Sudoku sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Merge Num ships an update daily, The Art of Sudoku every 4 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 6 level
Merge Num versus The Art of Sudoku: the parameters behind the verdict, then further details
ParameterMerge NumThe Art of Sudoku
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyDaily — betterEvery 4 days
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.0
Further details — not scored
Size95 MB103 MB
Age rating4+4+
DeveloperKyung Hyun ParkJuil Eom

In-app purchases

1 purchases

Merge Num

One-time1
  • No Ads$0.99
2 purchases

The Art of Sudoku

One-time2
  • Mistake+ 10 Pack$0.99
  • Pro Lifetime$4.99

Questions

Is Merge Num free?
Merge Num is free to download, with in-app purchases available.
Is The Art of Sudoku free?
The Art of Sudoku is free to download, with in-app purchases available.
Do Merge Num or The Art of Sudoku have ads?
Merge Num shows ads; The Art of Sudoku does not.
Which is updated more often, Merge Num or The Art of Sudoku?
Merge Num ships an update daily, and The Art of Sudoku every 4 days. Most recently, Merge Num was updated on November 4, 2026 and The Art of Sudoku on November 5, 2026.

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