# Numberplace ZERO vs Killer Sudoku

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | Numberplace ZERO | Killer Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numberplace-zero/id1145344516/reviews)** | [4.9 (12 ratings)](https://appshunter.io/ios/app/killer-sudoku-x/id1642479638/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | 80.0% of reviews | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 151 MB | 35 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RELEASE BASE, K.K.](https://appshunter.io/developer/1380525668) | [ShovelGames Inc.](https://appshunter.io/developer/1342960363) |

## What reviewers say

### Numberplace ZERO

[App page](https://appshunter.io/ios/app/numberplace-zero/id1145344516)

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:** macOS Compatibility

**In-app purchases:** none


### Killer Sudoku

[App page](https://appshunter.io/ios/app/killer-sudoku-x/id1642479638)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*