Comparison

Mahjong vs Killer Sudoku

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

Head to head
About

Mahjong

Features
Read full description

Rediscover tranquility through tradition. Korean Mahjong Solitaire brings the timeless charm of Korean art into the classic Mahjong puzzle experience. It’s simple yet deeply engaging — a soothing game for your mind and soul. * Game Overview The rules are familiar, but the beauty is unique. Each tile is inspired by traditional Korean patterns and symbols — from the curves of pottery and the elegance of hanbok to the harmony of the Taegeuk pattern. Every match immerses you in a serene world of cultural artistry and quiet focus. * Key Features Beautiful Korean-style tiles featuring masks, fans, ceramics, and fabrics Classic Mahjong Solitaire gameplay with a clean and relaxing design Calming background music and soft sound effects for full immersion Multiple levels and difficulties suitable for both beginners and masters Auto-save function lets you continue anytime Optional ad removal for an uninterrupted experience * Recommended For Players who appreciate cultural and traditional aesthetics Those who want to relax their mind while keeping it active Fans of simple yet rewarding puzzle experiences Anyone looking for a calm and family-friendly game * A Peaceful Experience Instead of flashy effects, this game focuses on calm concentration and harmony. Find and match identical tiles — that’s all you need to do. Each successful match completes a piece of Korean tradition on your screen. * Developer’s Note "The beauty of Korea lies in simplicity and balance." Our goal was to capture that elegance in every detail of the game. Take a short break from your busy day, and enjoy a moment of peace. * Start Your Journey Relax, match, and feel the harmony of tradition. Korean Mahjong Solitaire — a quiet escape wrapped in timeless beauty.

About

Killer Sudoku

Features
Read full description

Killer Sudoku: Quick Notes gets you to the logic faster. Fill every valid candidate in one tap without revealing the solution, then solve calm, adaptive Killer Sudoku grids at your pace. SOLVE AT YOUR PACE Choose from four difficulty levels, from a gentle introduction to a true Expert challenge. Difficulty adapts as you complete puzzles. ALL CANDIDATES IN ONE TAP Automatically add every valid candidate as a note. The app never reveals the answer — it simply removes the routine setup so you can focus on logic. QUICK INPUT Select a digit first, then place it across the grid with fast, precise taps. Quick input and note mode can be used together. EXPLORE DIFFERENT MOVES Save the exact board state as a Branch, try an idea, and return to it whenever you want. CHALLENGE FRIENDS Share a spoiler-free code and let a friend solve the exact same difficulty, cages, and starting grid. No answers are included. SHARE YOUR RESULT Create a polished result card with your time, mistakes, hints, streak, and challenge code using the iOS system share sheet. BUILT FOR FOCUS A calm, modern interface, clear cage sums, candidate highlighting, undo and redo, hints, statistics, themes, and automatic progress saving. Killer Sudoku: Quick Notes works offline and does not collect personal data.

Screenshots

Mahjong4 screens
Killer Sudoku3 screens

Verdict

The call

The clearest difference is ads: Killer Sudoku at none against Mahjong's shown. Mahjong's advantage is update cadence (every 4 days vs fortnightly) and iOS requirement (15.0 vs 17.0). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mahjong ships an update every 4 days, Killer Sudoku fortnightly. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 3 level
Mahjong versus Killer Sudoku: the parameters behind the verdict, then further details
ParameterMahjongKiller Sudoku
PriceFreeFree
Update frequencyEvery 4 days — betterFortnightly
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size105 MB4 MB
Age rating4+4+
DeveloperKyoungHoon ChaDmitrii Kurbakov

In-app purchases

None

Mahjong

No in-app purchases

None

Killer Sudoku

No in-app purchases

Questions

Is Mahjong free?
Mahjong is free to download, with no in-app purchases.
Is Killer Sudoku free?
Killer Sudoku is free to download, with no in-app purchases.
Do Mahjong or Killer Sudoku have ads?
Mahjong shows ads; Killer Sudoku does not.
Which is updated more often, Mahjong or Killer Sudoku?
Mahjong ships an update every 4 days, and Killer Sudoku fortnightly. Most recently, Mahjong was updated on October 25, 2026 and Killer Sudoku on October 4, 2026.

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