Comparison

Numberplace ZERO vs Killer Sudoku

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

Head to head
About

Numberplace ZERO

Enjoy classic Sudoku puzzles with a futuristic design and intuitive controls. Offers a wide range of difficulty levels suitable for beginners to advanced players. Perfect for casual play during commutes or downtime.

Highlights
  • Curated puzzles
  • Wide difficulty range
  • Futuristic design
  • Easy operation
  • Smartphone-friendly layout
Features
Read full description

ナンプレZEROは、ナンプレを楽しめる定番ゲームです。 移動中や待ち時間等、気軽になんぷれを楽しんでいただけたらと思い開発しました。 【アプリの特徴】 ・厳選された問題 初心者から上級者まで楽しめるように幅広い難易度を設定しています。 ・クールなデザイン 未来的なデザインで、ナンプレに集中できるようにしました。 ・かんたん操作 スマホでも使いやすいようにレイアウトしています。 【こんな人におすすめ】 ・数独やナンクロなどのパズルを解くのが好きな方 ・空いた時間にスマホでゲームをされる方 ・謎解き、脱出ゲーム、パズルゲームなどの脳トレ系アプリが好きな方 ・クロスワードが好きな方 ・ほかのナンプレアプリをクリアしてしまった方

About

Killer Sudoku

This logic puzzle game offers a challenging yet accessible experience with a unique cage-based rule set. Enjoy a vast array of puzzles from easy to difficult, with no mandatory registration or interruptions during gameplay. Save your progress and play at your own pace.

Highlights
  • Killer Sudoku cage mechanics
  • SumSudoku and Sum Cross puzzles
  • Customizable settings
  • Progress saving
  • Ad-supported gameplay
  • Free to play
Read full description

A number puzzle game with few adverts and no charging, that you can enjoy from beginning to end! It's constantly saving the data, so you can finish it whenever you want! A wide range of puzzles, from easy to challenging. Puzzles for newcomers too! There are no advertisements during the game so that you can concentrate. And there is no troublesome membership registration at all! You can play them all for free. KillerSudoku is characterised by dotted areas called cages. Although its basic rules are same as in classic Sudoku, there is a grouping of individual cells called a cage. Only two rules apply to the cage. -The number in top left corner is the sum of numbers in cage. -The same number cannot be entered in cage. [ Rules of KillerSudoku ] -Same as Sudoku, single numbers from 1 to 9 are placed in 3 x 3 blocks surrounded by row, column and bold lines. -The same numbers cannot be placed in the row, column, block and cage -Target is to fill numbers in all the cells. There are other puzzles called SumSudoku and Sum Cross, but in general basic rules are the same. [ Point of App ] -Customisable with various settings to make it easier to do! -Significantly fewer adverts than any other free game! -Don't worry about how many mistakes you make! Take your time, enjoy it at your own pace! Enjoy to killerSudoku Puzzles!!

Screenshots

Numberplace ZERO2 screens
Killer Sudoku1 screens

Verdict

The call

The clearest difference is update cadence: Killer Sudoku at every 5 weeks against Numberplace ZERO's every 3 months. Killer Sudoku also leads on ratings volume (12 vs 1). Numberplace ZERO's advantage is iOS requirement (11.0 vs 15.0). On price, rating, review sentiment and ads 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Numberplace ZERO against 4.9 for Killer Sudoku. That said, the two scores are not equally well evidenced: Killer Sudoku has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 80% and 80% positive.

UpkeepUpdate frequency

Numberplace ZERO ships an update every 3 months, Killer Sudoku every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Numberplace ZERO versus Killer Sudoku: the parameters behind the verdict, then further details
ParameterNumberplace ZEROKiller Sudoku
PriceFreeFree
Rating5.0 (1 ratings) — better4.9 (12 ratings)
Positive reviews80.0% of reviews80.0% of reviews
Number of ratings112 — better
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.0
Further details — not scored
Size151 MB35 MB
Age rating4+4+
DeveloperRELEASE BASE, K.K.ShovelGames Inc.

Customer experience

Numberplace ZERO

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews50 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

Killer Sudoku

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

In-app purchases

None

Numberplace ZERO

No in-app purchases

None

Killer Sudoku

No in-app purchases

Questions

Is Numberplace ZERO free?
Numberplace ZERO is free to download, with no in-app purchases.
Is Killer Sudoku free?
Killer Sudoku is free to download, with no in-app purchases.
Which has better reviews, Numberplace ZERO or Killer Sudoku?
Numberplace ZERO is rated higher. Numberplace ZERO averages 5.0 out of 5 from 1 ratings, while Killer Sudoku averages 4.9 from 12 ratings.
Do Numberplace ZERO or Killer Sudoku have ads?
Both Numberplace ZERO and Killer Sudoku show ads.
Which is updated more often, Numberplace ZERO or Killer Sudoku?
Numberplace ZERO ships an update every 3 months, and Killer Sudoku every 5 weeks. Most recently, Numberplace ZERO was updated on November 2, 2026 and Killer Sudoku on November 3, 2026.

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