Comparison

Sudoku 9×9 vs Remember

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

Head to head
About

Sudoku 9×9

Features
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Ultimate simplicity. An endlessly playable, logical puzzle. No unnecessary features. Just a pure, refined app for those who truly want to enjoy Sudoku. Featuring high-quality puzzles for everyone from beginners to advanced players, anytime, anywhere. Perfect for your daily commute or a relaxing break before bed. 【Key Features】 ◆ 4 Endless Difficulties Choose from Easy, Normal, Hard, and the newly added "Extreme" mode, which features the absolute minimum of 17 starting clues. We guarantee that every puzzle has a "unique solution" that can be solved purely through logic. No unfair guessing required. ◆ Built-in Solver Mode Input puzzles from newspapers or magazines to analyze and reveal the answers. With our latest update, you can also load your active game board with a single tap to help you out when you're stuck. It's a powerful tool that can even detect if a puzzle has "no solution" or "multiple solutions." ◆ Designed for Comfort ・Auto-save: Close the app anytime; you can always resume exactly where you left off. ・Error Highlighting: Duplicate numbers turn red instantly, helping you spot mistakes naturally without needing to toggle any settings. ・Dark Mode Support: Colors adjust automatically based on your device settings, making nighttime play easy on the eyes. ◆ Useful Tools ・Save Board Image: Save your work-in-progress or your completed masterpiece to your Camera Roll. Great for keeping records or sharing on social media! ◆ 100% Ad-Free No ads to interrupt your flow. Immerse yourself completely in the puzzle. For a quick brain workout or a refreshing break, give "Simple Sudoku" a try!

About

Remember

Features
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Remember is a clean, distraction-free memory card game designed to sharpen your mind.  DAILY CHALLENGES Every day brings a new puzzle. Complete it to build your streak and track your progress on the built-in calendar. Come back daily to keep your streak alive!

Screenshots

Sudoku 9×93 screens
Remember4 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku 9×9 at none against Remember's 1. Remember's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement 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. Remember sells 1 one-off in-app purchase. Sudoku 9×9 asks for nothing beyond the download.

UpkeepUpdate frequency

Sudoku 9×9 ships an update every 2 months, Remember every 4 days. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level
Sudoku 9×9 versus Remember: the parameters behind the verdict, then further details
ParameterSudoku 9×9Remember
PriceFreeFree
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size1 MB78 MB
Age rating4+4+
DeveloperRyosuke AsanoYahmir LLC.

In-app purchases

None

Sudoku 9×9

No in-app purchases

1 purchases

Remember

One-time1
  • Remove Ads$1.99

Questions

Is Sudoku 9×9 free?
Sudoku 9×9 is free to download, with no in-app purchases.
Is Remember free?
Remember is free to download, with in-app purchases available.
Do Sudoku 9×9 or Remember have ads?
Neither Sudoku 9×9 nor Remember shows ads.
Which is updated more often, Sudoku 9×9 or Remember?
Sudoku 9×9 ships an update every 2 months, and Remember every 4 days. Most recently, Sudoku 9×9 was updated on October 2, 2026 and Remember on October 25, 2026.

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