# 観戦くん vs Riichi Compass

The clearest difference is in-app purchases: Riichi Compass at none against 観戦くん's 2. Riichi Compass also leads on iOS requirement (15.1 vs 17.6). 観戦くん's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 観戦くん sells 2 in-app purchases, starting at $0.99 per 3 months. Riichi Compass asks for nothing beyond the download.

観戦くん ships an update every 5 days, Riichi Compass every 2 weeks. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 観戦くん | Riichi Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/riichi-compass/id6757171107/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 4 MB | 35 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [浩然 张](https://appshunter.io/developer/1265695909) | [禹 梁](https://appshunter.io/developer/1864648892) |

## What reviewers say

### 観戦くん

[App page](https://appshunter.io/ios/app/id1298534293)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム版（四半期購読） | $0.99 | per 3 months |
| プレミアム版（年間購読） | $1.99 | per year |


### Riichi Compass

[App page](https://appshunter.io/ios/app/riichi-compass/id6757171107)

This application helps manage scores and game progress for Riichi Mahjong. It offers features like score tracking, wind management, and a digital dice roller to enhance gameplay. Focus on playing the game without worrying about scorekeeping.

**Highlights:** Score management, Quick score exchanges, Real-time score difference display, Electronic dice function, Game history recording, Wind and counter tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 観戦くん free?

観戦くん is free to download, with in-app purchases available.

### Is Riichi Compass free?

Riichi Compass is free to download, with no in-app purchases.

### Do 観戦くん or Riichi Compass have ads?

Neither 観戦くん nor Riichi Compass shows ads.

### Which is updated more often, 観戦くん or Riichi Compass?

観戦くん ships an update every 5 days, and Riichi Compass every 2 weeks. Most recently, 観戦くん was updated on October 26, 2026 and Riichi Compass on October 28, 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.*