# 変則将棋集 vs SUDOKU.Studio

The clearest difference is rating: 変則将棋集 at 5.0 against SUDOKU.Studio's 3.0. 変則将棋集 also leads on in-app purchases (none vs 1) and review sentiment (33% vs 25%). SUDOKU.Studio's advantage is update cadence (every 2 months vs every 8 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. SUDOKU.Studio sells 1 one-off in-app purchase. 変則将棋集 asks for nothing beyond the download.

変則将棋集 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: 33% of 変則将棋集's written reviews are positive against 25% of SUDOKU.Studio's.

変則将棋集 ships an update every 8 months, SUDOKU.Studio every 2 months. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 変則将棋集 | SUDOKU.Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id441879253/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/sudokustudio/id1464307870/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **33.3% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 157 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MocoGame](https://appshunter.io/developer/400877587) | [Works Inc.](https://appshunter.io/developer/1276087920) |

## What reviewers say

### 変則将棋集

[App page](https://appshunter.io/ios/app/id441879253)

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

**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 変則将棋集 free?

変則将棋集 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, 変則将棋集 or SUDOKU.Studio?

変則将棋集 is rated higher. 変則将棋集 averages 5.0 out of 5 from 1 ratings, while SUDOKU.Studio averages 3.0 from 2 ratings.

### Do 変則将棋集 or SUDOKU.Studio have ads?

Both 変則将棋集 and SUDOKU.Studio show ads.

### Which is updated more often, 変則将棋集 or SUDOKU.Studio?

変則将棋集 ships an update every 8 months, and SUDOKU.Studio every 2 months. Most recently, 変則将棋集 was updated on October 30, 2026 and SUDOKU.Studio on October 14, 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.*