Comparison

HatStacker vs SUDOKU HINTS

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

Head to head
About

HatStacker

Features
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An old school leaderboard centric puzzle game, inspired by the old classics, where you stack items (in this case hats) and try to beat your high score by unleashing increasingly big combos!

About

SUDOKU HINTS

Features
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Enjoy Sudoku in a calm, beautifully designed environment that balances logic, relaxation, and fun.
Whether you want to sharpen your mind or simply pass time peacefully, this app adapts to your mood. Solve classic Sudoku puzzles with smooth animations, clear grids, and thoughtful interactions that make every move satisfying. Need help? Use up to 50 smart hint options per game, designed to guide you without breaking the joy of solving. Hints are flexible and helpful—perfect for beginners and experienced players alike. Beyond puzzles, relax with time-pass experiences built into the app: • Soothing aquarium visuals • Elegant clock designs • Gentle animations that create a calming atmosphere Everything is crafted to keep the experience distraction-free, offline, and enjoyable at your own pace. Features • Classic Sudoku puzzles
• Up to 50 hint options per game
• Smooth and satisfying animations
• Relaxing aquarium time-pass mode
• Beautiful and unique clock designs
• Clean, minimal, and intuitive UI
• Works fully offline
• Designed for both focus and relaxation

Screenshots

HatStacker4 screens
SUDOKU HINTS4 screens

Verdict

The call

The clearest difference is ads: SUDOKU HINTS at none against HatStacker's shown. HatStacker's advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
HatStacker versus SUDOKU HINTS: the parameters behind the verdict, then further details
ParameterHatStackerSUDOKU HINTS
PriceFreeFree
Update frequency—Every 3 months
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size43 MB4 MB
Age rating9+4+
DeveloperJean-Baptiste BolcatoPrasad Tj

In-app purchases

None

HatStacker

No in-app purchases

None

SUDOKU HINTS

No in-app purchases

Questions

Is HatStacker free?
HatStacker is free to download, with no in-app purchases.
Is SUDOKU HINTS free?
SUDOKU HINTS is free to download, with no in-app purchases.
Do HatStacker or SUDOKU HINTS have ads?
HatStacker shows ads; SUDOKU HINTS does not.

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