# 麻雀IQテスト vs .389 / プロ野球クイズ

The clearest difference is review sentiment: .389 / プロ野球クイズ at 70% against 麻雀IQテスト's 15%. .389 / プロ野球クイズ also leads on in-app purchases (none vs 2). 麻雀IQテスト's advantage is 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. 麻雀IQテスト sells 2 one-off in-app purchases. .389 / プロ野球クイズ asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 麻雀IQテスト | .389 / プロ野球クイズ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/389/id1668555651/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 15.4% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 107 MB | 41 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomofumi Yamada](https://appshunter.io/developer/1480115678) | [Tetsuo Oda](https://appshunter.io/developer/1627427246) |

## What reviewers say

### 麻雀IQテスト

[App page](https://appshunter.io/ios/app/iq/id1498792019)

Measure and train your Mahjong IQ with various modes focusing on hand waiting, scoring, and tile logic. Track your progress and compete on leaderboards.

**Highlights:** Mahjong IQ measurement, Hand waiting practice, Scoring calculation training, Tile logic challenges, Rankings and leaderboards, Radar chart progress visualization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IQテストの再試 | $0.99 | one-time |
| 広告非表示 | $2.99 | one-time |


### .389 / プロ野球クイズ

[App page](https://appshunter.io/ios/app/389/id1668555651)

Test your knowledge of professional baseball with this quiz game. Challenge yourself to answer questions with minimal clues and customize player conditions and displayed stats for endless replayability. Experience a fresh take on baseball trivia.

**Highlights:** Professional baseball quizzes, Score tracking and improvement, Minimal clue challenges, Customizable player conditions, Selectable stat displays, Endless replayability

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

**In-app purchases:** none


## Frequently asked questions

### Is 麻雀IQテスト free?

麻雀IQテスト is free to download, with in-app purchases available.

### Is .389 / プロ野球クイズ free?

.389 / プロ野球クイズ is free to download, with no in-app purchases.

### Do 麻雀IQテスト or .389 / プロ野球クイズ have ads?

Both 麻雀IQテスト and .389 / プロ野球クイズ show ads.

### Which is updated more often, 麻雀IQテスト or .389 / プロ野球クイズ?

麻雀IQテスト ships an update every 3 weeks, and .389 / プロ野球クイズ every 3 weeks. Most recently, 麻雀IQテスト was updated on October 7, 2026 and .389 / プロ野球クイズ on October 13, 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.*