Sudoku Master Edition vs Shell Yes
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.
Shell Yes
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Roll some dice, think just the tiniest bit, pick up a shell, count some pearls. Sometimes the tide gives, sometimes you see a shell disappear into the swell.
Screenshots
Verdict
The clearest difference is in-app purchases: Shell Yes at none against Sudoku Master Edition's 2. Shell Yes also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). Sudoku Master Edition's advantage is iOS requirement (15.6 vs 18.0). On price 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. Shell Yes asks for nothing beyond the download.
Sudoku Master Edition ships an update every 3 weeks, Shell Yes daily. The most recent releases landed on October 22, 2026 and October 3, 2026 respectively.
| Parameter | Sudoku Master Edition | Shell Yes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (7.9K ratings) — better | — |
| Positive reviews | 63.4% of reviews | — |
| Number of ratings | 7.9K — better | — |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 120 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoolatron Studios | Fastronaut |
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
Shell Yes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sudoku Master Edition
- Premium Theme Credit$0.99
- Remove Ads$7.99
Shell Yes
No in-app purchases
Questions
Is Sudoku Master Edition free?
Is Shell Yes free?
Do Sudoku Master Edition or Shell Yes have ads?
Which is updated more often, Sudoku Master Edition or Shell Yes?
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