# Chii's Reversi vs 4人打ち麻雀

The clearest difference is in-app purchases: Chii's Reversi at none against 4人打ち麻雀's 1. Chii's Reversi also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 4人打ち麻雀 sells 1 one-off in-app purchase. Chii's Reversi asks for nothing beyond the download.

Chii's Reversi ships an update every 4 days, 4人打ち麻雀 every 3 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chii's Reversi | 4人打ち麻雀 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/4/id6798853688/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sanko System Co.,Ltd.](https://appshunter.io/developer/950625400) | [Munehiro Kageyama](https://appshunter.io/developer/6798853690) |

## What reviewers say

### Chii's Reversi

[App page](https://appshunter.io/ios/app/chiis-reversi/id6788294727)

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

**In-app purchases:** none


### 4人打ち麻雀

[App page](https://appshunter.io/ios/app/4/id6798853688)

Enjoy a full mahjong experience offline with this app. Play against three AI opponents in East-South rounds, with automatic scoring and support for major hands. Customize your experience with various options in the paid version.

**Highlights:** Offline play, Play against 3 AI opponents, Automatic scoring, Supports major mahjong hands, Match history tracking, Bluetooth keyboard support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全機能アンロック | $2.99 | one-time |


## Frequently asked questions

### Is Chii's Reversi free?

Chii's Reversi is free to download, with no in-app purchases.

### Is 4人打ち麻雀 free?

4人打ち麻雀 is free to download, with in-app purchases available.

### Do Chii's Reversi or 4人打ち麻雀 have ads?

Neither Chii's Reversi nor 4人打ち麻雀 shows ads.

### Which is updated more often, Chii's Reversi or 4人打ち麻雀?

Chii's Reversi ships an update every 4 days, and 4人打ち麻雀 every 3 days. Most recently, Chii's Reversi was updated on October 16, 2026 and 4人打ち麻雀 on October 25, 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.*