Comparison

Sudoku Monster vs Solid Sudoku

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

Head to head
About

Sudoku Monster

Experience a fresh take on the classic Sudoku puzzle with a comic-book art style. Enjoy daily challenges, track your progress on leaderboards, and solve puzzles at your own pace with multiple difficulty levels and helpful hints.

Highlights
  • 5 difficulty levels
  • Daily Challenges
  • Notes mode
  • Helpful hints
  • Game Center leaderboards
  • Light and dark themes
  • Auto-save progress
Features
Read full description

Sudoku Monster: Beautiful puzzles. Brilliant fun. Comic-book Sudoku that feels great to solve. 5 difficulty levels, Daily Challenges, and Game Center leaderboards. Play unlimited free puzzles in Beginner, Easy, and Medium. FEATURES • 5 difficulty levels: Beginner to Monster • Daily Challenges to build your streak • Notes mode for advanced solving • Helpful hints when you’re stuck • Game Center leaderboards and personal bests • Gorgeous light and dark themes • Auto-save so you never lose progress FREE TO PLAY Unlimited puzzles in Beginner, Easy, and Medium are free. Monster Pass (optional) unlocks Hard and Monster, removes ads, and adds advanced features. Monster Pass auto-renews and can be managed in iOS Settings. COMPETE Track your best times, climb global leaderboards, and push your skills from Beginner to Monster. Download now and sharpen your logic, one puzzle at a time.

About

Solid Sudoku

Features
Read full description

A simple Sudoku game. I built it for myself and my family to enjoy together. No excessive ads during gameplay—just a quiet, comfortable space to focus on the puzzle. To support healthy screen habits for kids, the app includes Parent Settings. When you first install the app, a parent can set: - How many rounds can be played - A waiting time between rounds This helps children naturally build the habit of self-control. Your play records are also saved, so you can look back after finishing a game and keep the fun going. [Why Sudoku is great] - Improves logical thinking - Strengthens concentration - Develops problem-solving skills - Trains memory - Enhances number sense Short sessions, deep focus. Enjoy a healthy brain game that the whole family can play together.

Screenshots

Sudoku Monster4 screens
Solid Sudoku4 screens

Verdict

The call

The clearest difference is in-app purchases: Solid Sudoku at none against Sudoku Monster's 10. Solid Sudoku also leads on iOS requirement (14.0 vs 17.6). Sudoku Monster's advantage is update cadence (daily vs every 3 days). On price, ads 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

Both are free to download. Sudoku Monster sells 10 one-off in-app purchases. Solid Sudoku asks for nothing beyond the download.

UpkeepUpdate frequency

Sudoku Monster ships an update daily, Solid Sudoku every 3 days. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Sudoku Monster versus Solid Sudoku: the parameters behind the verdict, then further details
ParameterSudoku MonsterSolid Sudoku
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyDaily — betterEvery 3 days
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.614.0 — better
Further details — not scored
Size70 MB28 MB
Age rating4+4+
DeveloperNathanael ReuckSooyeol Jeong

In-app purchases

10 purchases

Sudoku Monster

One-time10
  • 5 Hints$0.99
  • 1 Streak Shield$0.99
  • Starter Pack$1.99
Show 7 more
  • 3 Streak Shields$1.99
  • 25 Hints$2.99
  • 7 Streak Shields$2.99
  • 100 Hints$7.99
  • 30 Streak Shields$7.99
  • Remove Ads$9.99
  • 300 Hints$14.99
None

Solid Sudoku

No in-app purchases

Questions

Is Sudoku Monster free?
Sudoku Monster is free to download, with in-app purchases available.
Is Solid Sudoku free?
Solid Sudoku is free to download, with no in-app purchases.
Do Sudoku Monster or Solid Sudoku have ads?
Both Sudoku Monster and Solid Sudoku show ads.
Which is updated more often, Sudoku Monster or Solid Sudoku?
Sudoku Monster ships an update daily, and Solid Sudoku every 3 days. Most recently, Sudoku Monster was updated on October 24, 2026 and Solid Sudoku on October 24, 2026.

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