# Numberplace ZERO vs SUDOKU.Studio

The clearest difference is review sentiment: Numberplace ZERO at 80% against SUDOKU.Studio's 25%. Numberplace ZERO also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. SUDOKU.Studio sells 1 one-off in-app purchase. Numberplace ZERO asks for nothing beyond the download.

Numberplace ZERO holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 80% of Numberplace ZERO's written reviews are positive against 25% of SUDOKU.Studio's.

Numberplace ZERO ships an update every 3 months, SUDOKU.Studio every 2 months. The most recent releases landed on September 22, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Numberplace ZERO | SUDOKU.Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numberplace-zero/id1145344516/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/sudokustudio/id1464307870/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **80.0% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 151 MB | 156 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [RELEASE BASE, K.K.](https://appshunter.io/developer/1380525668) | [Works Inc.](https://appshunter.io/developer/1276087920) |

## 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


### SUDOKU.Studio

[App page](https://appshunter.io/ios/app/sudokustudio/id1464307870)

This app offers a wide range of Sudoku puzzles with adjustable difficulty levels for all skill sets. It includes helpful features like hints, error checking, and candidate number entry. Daily challenges and collectible emblems provide ongoing engagement.

**Highlights:** Adjustable difficulty levels, Hint function, Daily challenges with emblems, Candidate number entry, Mistake checking, Auto-save function, Time display

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $7.99 | one-time |


## Frequently asked questions

### Is Numberplace ZERO free?

Numberplace ZERO is free to download, with no in-app purchases.

### Is SUDOKU.Studio free?

SUDOKU.Studio is free to download, with in-app purchases available.

### Which has better reviews, Numberplace ZERO or SUDOKU.Studio?

Numberplace ZERO is rated higher. Numberplace ZERO averages 5.0 out of 5 from 1 ratings, while SUDOKU.Studio averages 3.0 from 2 ratings.

### Do Numberplace ZERO or SUDOKU.Studio have ads?

Both Numberplace ZERO and SUDOKU.Studio show ads.

### Which is updated more often, Numberplace ZERO or SUDOKU.Studio?

Numberplace ZERO ships an update every 3 months, and SUDOKU.Studio every 2 months. Most recently, Numberplace ZERO was updated on September 22, 2026 and SUDOKU.Studio on August 18, 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.*