Sudoku Master Edition vs Concentration
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Master Edition
This app offers a comprehensive Sudoku experience with numerous customization options, multiple game modes, and difficulty levels. It features a minimalist design, daily challenges, and Apple Pencil integration for a pen-and-paper feel.
- Customizable themes and fonts
- Multiple game modes (Lightning, Mistake, Classic, Zen)
- 5 difficulty levels
- Adjustable grid styles
- Note-taking and highlighting features
- Apple Pencil integration
- Daily reminders and auto-complete
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***FEATURED AS APPLE'S GAME OF THE DAY IN 40+ COUNTRIES*** SUDOKU MASTER EDITION is classic Sudoku with a wardrobe. Play across dozens of custom themes, jump into limited-time events, and pick your fight across five difficulty levels from Easy to Master. Beautiful, minimalist, and built to keep you coming back. Whether you're a daily solver or just getting hooked, here's what's inside: THEMES & EVENTS - Dozens of custom themes to make the board truly yours - Exclusive limited-time events with rewards you won't find anywhere else - 13 app icons and 26 hand-picked fonts to match your style - Sleek Dark theme for late-night solving PLAY YOUR WAY - Five difficulty levels, from a gentle Easy to a brutal Master - Lightning Mode for fast, high-energy solving - Zen Mode for a calm, distraction-free pen-and-paper feel - Mistake Mode or Classic Mode, however you like to play - Adjustable grid styles and a modern color palette that's easy on the eyes SMART TOOLS - Highlight Helper to spot your next move - Notes for jotting down possibilities (or secret messages, we won't tell) - Auto-complete and Quick Start to skip the busywork - Daily reminders so you never break your streak - In-app tutorial and help for when you need a hand APPLE PENCIL (compatible iPad & Apple Pencil) - A true pen-and-paper experience: scribble numbers and notes by hand - Built-in Notepad to sketch ideas and erase with a tap - No Pencil? Just toggle the notepad off and play as normal Relaxing original soundtrack by EARLYGUARD, endless customization, and more on the way. Download SUDOKU MASTER EDITION and find your perfect game.
Concentration
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Concentration is a fast, friendly memory game. The cards flash up for a moment memorize them, then match every pair before the clock runs out. Clear the board, complete each level's missions, and dodge the bombs hidden in the grid. Simple to pick up. Hard to put down. WHAT YOU GET • 50 hand-tuned levels that grow from a gentle starter grid to dense, bomb-laced boards • Endless mode for a never-ending run once you clear the ladder • A new Daily Challenge every day, with its own streak counter • Level missions — find a certain pair on a given turn, or clear the board without hitting a bomb — for bonus points and coins • Power-ups for the tense moments: add time, arm a bomb shield, or reveal a hint • Earn coins as you play, claim a daily bonus, and spend them on power-ups • Star ratings on every level — • Colorful, readable tiles and crisp, tactile animations • Plays fully offline DESIGNED TO FEEL GOOD Concentration is built around one idea: fun first. Every level is beatable with skill alone — coins and power-ups just make a tough board friendlier, never a requirement. No level hides behind a paywall. The interface stays quiet so the grid is the star. FREE TO PLAY Concentration is free. Ads keep it that way, and a single one-time purchase removes them forever. We don't track you across other apps or build a profile — your scores, coins, and streaks live on your device. Ready? Take a breath, watch the cards, and match them all.
Screenshots
Verdict
The clearest difference is iOS requirement: Concentration at 13.0 against Sudoku Master Edition's 15.6. On price, ads, 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
Both are free to download. Sudoku Master Edition sells 2 one-off in-app purchases and Concentration sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | Sudoku Master Edition | Concentration |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (7.9K ratings) — better | — |
| Positive reviews | 63.8% of reviews | — |
| Number of ratings | 7.9K — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 120 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoolatron Studios | giscard mboumeden ngandeu |
Bugs and requests
Sudoku Master Edition
Reported bugs
6 issues- App crashes after completing puzzles
- Handwriting recognition issues with certain numbers
- Saved games disappearing
- Inconsistent behavior when using pencil input
- Inability to enter wrong numbers
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- Bugs introduced with recent updates
Requested features
10 requests- Dark mode option
- Ability to import custom puzzles
- More themes and color options
- Improved undo/redo functionality
- Ability to differentiate user-entered numbers from pre-filled numbers
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- Larger game board size
- Difficulty progression that feels more balanced
- Hint system that doesn't reveal full solutions
- Multiplayer or leaderboard features
- Ability to pause and resume games
Concentration
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sudoku Master Edition
- Premium Theme Credit$0.99
- Remove Ads$7.99
Concentration
- Remove Ads Forever$0.99
- First Purchase$0.99
- Starter Bundle$1.99
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- 800 Coins$2.99
- 2,000 Coins$6.99
- 5,000 Coins$14.99
Questions
Is Sudoku Master Edition free?
Is Concentration free?
Do Sudoku Master Edition or Concentration have ads?
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