Apparent Sudoku vs Spectral
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Apparent Sudoku
Experience classic Sudoku puzzles without any distractions. This app offers a clean interface, multiple difficulty levels, and advanced features like pencil marks and smart highlighting. Track your progress and compete globally with Game Center leaderboards.
- Four difficulty levels
- Game Center Leaderboards
- 50,000+ puzzles
- Clean, intuitive interface
- Pencil marks and smart highlighting
- iCloud sync
- iPad Apple Pencil support
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Enjoy the timeless puzzle game of Sudoku with a clean, distraction-free experience. Apparent Sudoku is designed for puzzle lovers who want to focus on what matters: the game itself. No ads, no analytics tracking, no third-party code—just pure Sudoku. FEATURES: • Four difficulty levels: Easy, Medium, Hard, and Extreme • Game Center Leaderboards - compete globally for best times • 50,000 puzzles with technique-based difficulty grading • Clean, intuitive interface optimized for iPhone and iPad • Pencil marks (notes) for tracking candidate numbers • Smart highlighting shows related cells and matching numbers • Game timer to track your solving speed • Statistics tracking: best times, median times, and win percentage • Undo support to correct mistakes • iPad Apple Pencil support with Scribble • iCloud sync keeps your progress across all devices • Fun celebration animations when you win • The Daily: a shared daily puzzle with streaks, a completion calendar, spoiler-free sharing, and a daily leaderboard • Hints: a free nudge whenever you're stuck; solve hint-free for a Perfect SUDOKU PRO: Upgrade once to unlock the full puzzle bank of 50,000+ puzzles across all difficulty levels. Your purchase works on all your iOS, iPadOS, and macOS devices. Perfect for relaxing, challenging your mind, or passing the time. Whether you're a Sudoku beginner or an expert, Apparent Sudoku has puzzles for every skill level. Support indie development—made with love by a solo developer.
Spectral
Crack daily color sequence puzzles in six guesses. Choose from four difficulty sizes, from quick mini-puzzles to challenging max-level sequences. Enjoy unlimited free play or unlock the full archive with a one-time purchase.
- Daily color sequence puzzles
- Four difficulty sizes
- Wordle-style deduction
- Mastermind logic
- Streak and stats tracking
- Game Center leaderboards
- One-time purchase for unlimited play
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Crack the color code in 6 guesses. New daily puzzles every day — now in four sizes. SIMPLE RULES: - Guess the hidden color sequence from 12 vibrant colors - Green = correct color, correct position - Yellow = correct color, wrong position - Red = not in the solution - Use Wordle-style deduction and Mastermin logic to solve it in 6 tries FOUR WAYS TO PLAY: - Mini: 3-color sequence. Fast, sharp, satisfying. - Lite: 4-color sequence. A focused daily challenge. - Classic: 5-color sequence. The original Spectral experience. - Max: 6-color sequence. For players who want a real test. FREE FOREVER: - All four daily puzzles — free, every day, for every player - One free-play puzzle per day — you pick the size - Track your streaks and stats - Game Center leaderboards and achievements across all game sizes - No ads, ever UNLOCK UNLIMITED AT ONE LOW PRICE: - Unlimited free-play puzzles in any size, any time - Full archive access — all four sizes, every past daily puzzle - One-time purchase, no subscription PERFECT FOR: - Fans of Wordle, Mastermind, and other logic puzzles - Quick mental breaks (2–5 minutes per puzzle) - Players who want more puzzle variety without more complexity - Testing your deduction skills at any difficulty level Clean design. Sharp logic. Four ways to master the spectrum. Privacy Policy: https://spectral.redfuryllc.com/privacy Terms of Use: https://spectral.redfuryllc.com/terms
Screenshots
Verdict
The clearest difference is review sentiment: Spectral at 100% against Apparent Sudoku's 43%. Spectral also leads on rating (5.0 vs 3.2) and update cadence (weekly vs every 3 weeks). On price, ratings volume, ads 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
Both are free to download. Apparent Sudoku sells 1 one-off in-app purchase and Spectral sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Spectral holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 9 and 6 respectively. Written reviews point the same way: 43% of Apparent Sudoku's written reviews are positive against 100% of Spectral's.
Apparent Sudoku ships an update every 3 weeks, Spectral weekly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | Apparent Sudoku | Spectral |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (9 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 42.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 — better | 6 |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 14 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Apparent Logic, LLC | Red Fury LLC |
Customer experience
Apparent Sudoku
Spectral
In-app purchases
Apparent Sudoku
- Sudoku Pro$5.00
Spectral
- Lifetime Unlimited$2.99









