Comparison

The Caribbean Sudoku vs Fish Evolution Ocean Quest

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

Head to head
About

The Caribbean Sudoku

Features
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The Caribbean Sudoku is the Sudoku app for people who love the puzzle — and expect it done right. Six distinct game modes, a real-time 1-on-1 multiplayer duel, a daily challenge with global rankings, and a clean, calm interface that gets out of your way. No clutter. Just pure logic. SIX WAYS TO PLAY • Classic — Sudoku as it should be, at your own pace. • Killer — No givens at all. Only cages and their sums. For the cunning. • Hexadecimal — A 16Ɨ16 grid with digits 0 to F. The ultimate logic challenge. • Honeycomb — A hexagonal grid with three axes of uniqueness. Pure, beautiful logic. • Time Attack — Solve the grid before the clock runs out. • Survival — Every correct digit refills your timer. Don't let it hit zero. DUEL A FRIEND, 1-ON-1 Race head-to-head on the exact same grid. Play online via Game Center or locally over Wi-Fi/Bluetooth — no internet required. Climb the Elo rating ladder and prove who's faster. DAILY CHALLENGE A fresh puzzle every day, the same for everyone. Compete on the Game Center leaderboard and build your solving streak. THREE DIFFICULTY LEVELS Easy, Medium and Hard — tuned by a real difficulty-rating engine, not random clue removal. Every puzzle has one unique solution, always. BUILT TO MASTER THE GAME • Smart hints that teach you the technique behind the move. • 35 achievements to chase. • Full statistics: win rate, best times, solving heatmap and trends. • Pencil marks, auto-notes, error checking and undo. YOURS, EVERYWHERE • iCloud sync keeps your progress, stats and streaks across iPhone and iPad. • Print any puzzle to PDF — with a recovery code to resume it later on your device. • Three elegant themes: Paper, Ink and Sepia. • Refined haptics and sound you can turn off anytime. PRIVATE & RESPECTFUL No account required. Works fully offline. Your puzzles are yours. Free to play with light, occasional ads — go Premium to remove them entirely and unlock unlimited hints and undos. Download The Caribbean Sudoku and discover how good a Sudoku app can feel.

About

Fish Evolution Ocean Quest

Features
Read full description

Dive Into an Underwater Adventure! Swim through a vibrant ocean filled with colorful sea life and exciting challenges. Start as a small fish, collect smaller creatures, grow stronger, and complete unique objectives across beautifully designed underwater environments. Easy controls make the game fun for everyone, while each level introduces new goals and fresh gameplay to keep every adventure exciting. Features Beautiful underwater environments Multiple exciting levels Collect and grow your fish Smooth and easy one-touch controls Colorful ocean scenery Relaxing casual gameplay Different fish and sea creatures Fun progression system Optimized performance Suitable for all ages How to Play Tap to begin your adventure. Move your fish through the ocean. Collect smaller fish and sea creatures. Avoid stronger enemies. Complete each level's objectives. Unlock new challenges as you progress.

Screenshots

The Caribbean Sudoku4 screens
Fish Evolution Ocean Quest3 screens

Verdict

The call

The clearest difference is in-app purchases: Fish Evolution Ocean Quest at none against The Caribbean Sudoku's 4. Fish Evolution Ocean Quest also leads on ads (none vs shown) and update cadence (every 5 days vs every 10 days). On price and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. The Caribbean Sudoku sells 3 one-off in-app purchases. Fish Evolution Ocean Quest asks for nothing beyond the download.

UpkeepUpdate frequency

The Caribbean Sudoku ships an update every 10 days, Fish Evolution Ocean Quest every 5 days. Both last shipped on October 31, 2026.

Scorecard4 real differences Ā· 2 level
The Caribbean Sudoku versus Fish Evolution Ocean Quest: the parameters behind the verdict, then further details
ParameterThe Caribbean SudokuFish Evolution Ocean Quest
PriceFreeFree
Update frequencyEvery 10 daysEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size128 MB244 MB
Age rating4+4+
DeveloperArnaud PaulAsad Manzoor

In-app purchases

3 purchases

The Caribbean Sudoku

One-time3
  • 10 Help Credits2 variants$0.99
  • 30 Help Credits$1.99
  • Sudoku Premium$3.99
None

Fish Evolution Ocean Quest

No in-app purchases

Questions

Is The Caribbean Sudoku free?
The Caribbean Sudoku is free to download, with in-app purchases available.
Is Fish Evolution Ocean Quest free?
Fish Evolution Ocean Quest is free to download, with no in-app purchases.
Do The Caribbean Sudoku or Fish Evolution Ocean Quest have ads?
The Caribbean Sudoku shows ads; Fish Evolution Ocean Quest does not.
Which is updated more often, The Caribbean Sudoku or Fish Evolution Ocean Quest?
The Caribbean Sudoku ships an update every 10 days, and Fish Evolution Ocean Quest every 5 days. Most recently, The Caribbean Sudoku was updated on October 31, 2026 and Fish Evolution Ocean Quest on October 31, 2026.

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