Comparison

Apparent Sudoku vs Spectral

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

Head to head
About

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.

Highlights
  • Four difficulty levels
  • Game Center Leaderboards
  • 50,000+ puzzles
  • Clean, intuitive interface
  • Pencil marks and smart highlighting
  • iCloud sync
  • iPad Apple Pencil support
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Apparent Sudoku4 screens
Spectral4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Apparent Sudoku ships an update every 3 weeks, Spectral weekly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
Apparent Sudoku versus Spectral: the parameters behind the verdict, then further details
ParameterApparent SudokuSpectral
PriceFreeFree
Rating3.2 (9 ratings)5.0 (6 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings9 — better6
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS26.026.0
Further details — not scored
Size14 MB27 MB
Age rating4+4+
DeveloperApparent Logic, LLCRed Fury LLC

Customer experience

Apparent Sudoku

All ratings9 ratings
Positive55.6%
Neutral0.0%
Negative44.4%
Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

Spectral

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Apparent Sudoku

One-time1
  • Sudoku Pro$5.00
1 purchases

Spectral

One-time1
  • Lifetime Unlimited$2.99

Questions

Is Apparent Sudoku free?
Apparent Sudoku is free to download, with in-app purchases available.
Is Spectral free?
Spectral is free to download, with in-app purchases available.
Which has better reviews, Apparent Sudoku or Spectral?
Spectral is rated higher. Apparent Sudoku averages 3.2 out of 5 from 9 ratings, while Spectral averages 5.0 from 6 ratings.
Do Apparent Sudoku or Spectral have ads?
Neither Apparent Sudoku nor Spectral shows ads.
Which is updated more often, Apparent Sudoku or Spectral?
Apparent Sudoku ships an update every 3 weeks, and Spectral weekly. Most recently, Apparent Sudoku was updated on October 3, 2026 and Spectral on October 2, 2026.

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