Comparison

Sudoku vs PuzzleNine30

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

Head to head
About

Sudoku

Engage your mind with daily number puzzles across six difficulty levels. Track your progress, earn achievements, and utilize helpful tools to sharpen your skills. Personalize your experience with various themes and settings.

Highlights
  • Six difficulty levels
  • Daily Challenge puzzles
  • Notes Mode
  • Smart Hints
  • XP system and achievements
  • Customizable themes and settings
Features
Read full description

Sudoku — the timeless number puzzle built for focus, depth, and daily habit. Six difficulty levels from gentle Easy warm-ups to relentless Extreme puzzles let you play at exactly your level. Progress through tiers — Bronze, Silver, Gold, Platinum, Diamond — as your skills evolve and your score climbs. A FRESH PUZZLE EVERY DAY A new Daily Challenge awaits every morning. Complete every puzzle in a calendar month to earn the coveted Monthly Trophy. Miss a day? Watch a short video to rescue your streak. Build a streak, protect your consistency, and watch your resolve grow stronger every day. TOOLS THAT MAKE YOU SHARPER • Notes Mode – pencil in candidate numbers for any cell • Fill Notes – instantly populate all valid candidates across the board • Smart Hints – reveal the correct value and the logical technique behind it • Fast Insert – pick a number, then tap cells to fill at speed • Undo & Redo – move freely back and forth through your moves LEARN THE TECHNIQUES Go beyond guessing. Interactive lessons walk you through real solving logic — from Hidden Singles and Naked Pairs to Locked Candidates, X-Wing, Y-Wing, and Swordfish — with guided practice puzzles that unlock as you level up. TRACK EVERYTHING Level up through a full XP system. Unlock 80+ achievements across seven categories — First Steps, Difficulty, Perfect Play, Speed, Score, Streak, and Lessons — plus a handful of secret ones waiting to be discovered. Review per-difficulty statistics — best time, average time, win rate, error rate, best score, and total time played. PERSONALIZE YOUR GAME Choose from White, Brown, or Black themes. Adjust number size for comfort. Toggle haptic feedback, the timer display, and automatic note removal. Available in 26 languages, including English, Spanish, French, German, Japanese, Chinese, Arabic, Russian, Korean, and more. CLEAN BY DESIGN A minimal interface built around the grid. Every tap, every highlight, every transition serves the puzzle — nothing else. Download Sudoku and start your first game today.

About

PuzzleNine30

Engage in quick, 30-second brain training rounds featuring word puzzles, number challenges, and riddles. Enhance vocabulary, mental math, memory, and problem-solving abilities in a fun and accessible format.

Highlights
  • Letter, Number, and Conundrum challenges
  • Fast 30-second rounds
  • Easy-to-use interface
  • Progress tracking
  • Suitable for all ages
Features
Read full description

PuzzleNine30 is a fun and engaging brain-training game that combines word puzzles, number challenges, and conundrums into exciting 30-second rounds. Improve your vocabulary, mental arithmetic, memory, and problem-solving skills while having fun. Features • Letter, Number, and Conundrum challenges • Fast 30-second rounds • Easy-to-use interface • Suitable for beginners and experienced puzzle fans • Track your progress over time • Optimized for iPhone and iPad • Perfect for all ages 8–99 Whether you have a few minutes to spare or want a longer session, PuzzleNine30 provides a rewarding daily mental workout that is fun, challenging, and highly replayable.

Screenshots

Sudoku4 screens
PuzzleNine304 screens

Verdict

The call

The clearest difference is price: Sudoku at Free against PuzzleNine30's $3.99. Sudoku also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 17.6). PuzzleNine30's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment 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

Sudoku is free to download; PuzzleNine30 costs $3.99 up front. Sudoku sells 1 one-off in-app purchase. PuzzleNine30 asks for nothing beyond the download.

UpkeepUpdate frequency

Sudoku ships an update weekly, PuzzleNine30 every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Sudoku versus PuzzleNine30: the parameters behind the verdict, then further details
ParameterSudokuPuzzleNine30
PriceFree — better$3.99
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size38 MB9 MB
Age rating9+4+
DeveloperSongle JinEwan Crawford

Customer experience

Sudoku

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PuzzleNine30

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Sudoku

One-time1
  • Remove ads forever$12.99
None

PuzzleNine30

No in-app purchases

Questions

Is Sudoku free?
Sudoku is free to download, with in-app purchases available.
Is PuzzleNine30 free?
PuzzleNine30 costs $3.99, with no in-app purchases.
Do Sudoku or PuzzleNine30 have ads?
Sudoku shows ads; PuzzleNine30 does not.
Which is updated more often, Sudoku or PuzzleNine30?
Sudoku ships an update weekly, and PuzzleNine30 every 3 weeks. Most recently, Sudoku was updated on November 5, 2026 and PuzzleNine30 on October 31, 2026.

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