Comparison

Merge Num vs Sudoku Studio

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

Sudoku Studio

This app offers a smooth and powerful Sudoku experience for all skill levels. It includes a variety of handcrafted puzzles, a solver, and the ability to import puzzles from paper using your camera.

Highlights
  • 300 handcrafted puzzles
  • Classic gameplay mode
  • Built-in Sudoku Solver
  • Camera Scan to import puzzles
  • Manually create puzzles
  • Share and create puzzles from URL
  • Assist mode and conflict highlighting
Features
Read full description

A clean, smooth, and powerful Sudoku app designed for puzzle lovers of all levels. Whether you're a beginner or an expert, you'll find endless fun and challenges here. Key Features • 300 handcrafted Sudoku puzzles with progressive difficulty • Classic Sudoku gameplay mode • Built-in Sudoku Solver — solve any puzzle instantly • Camera Scan to import Sudoku from paper • Manually create your own Sudoku • Share as URL & create from URL • Assist mode, conflict highlighting & light/dark themes Download now and start your Sudoku journey!

Screenshots

Merge Num3 screens
Sudoku Studio4 screens

Verdict

The call

The clearest difference is ads: Sudoku Studio at none against Merge Num's shown. Merge Num's advantage is update cadence (daily vs every 2 weeks) and device support (3 vs 1). On price 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. Merge Num sells 1 one-off in-app purchase and Sudoku Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Merge Num ships an update daily, Sudoku Studio every 2 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 5 level
Merge Num versus Sudoku Studio: the parameters behind the verdict, then further details
ParameterMerge NumSudoku Studio
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyDaily — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17
Further details — not scored
Size95 MB17 MB
Age rating4+4+
DeveloperKyung Hyun ParkLian Gao

In-app purchases

1 purchases

Merge Num

One-time1
  • No Ads$0.99
1 purchases

Sudoku Studio

One-time1
  • Pro Version$2.99

Questions

Is Merge Num free?
Merge Num is free to download, with in-app purchases available.
Is Sudoku Studio free?
Sudoku Studio is free to download, with in-app purchases available.
Do Merge Num or Sudoku Studio have ads?
Merge Num shows ads; Sudoku Studio does not.
Which is updated more often, Merge Num or Sudoku Studio?
Merge Num ships an update daily, and Sudoku Studio every 2 weeks. Most recently, Merge Num was updated on October 25, 2026 and Sudoku Studio on October 21, 2026.

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