# .389 / プロ野球クイズ vs Intro King

The clearest difference is in-app purchases: .389 / プロ野球クイズ at none against Intro King's 1. .389 / プロ野球クイズ also leads on review sentiment (70% vs 43%). Intro King's advantage is update cadence (every 9 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Intro King sells 1 in-app purchase, starting at $1.99 per month. .389 / プロ野球クイズ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for .389 / プロ野球クイズ against 5.0 for Intro King. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 70% of .389 / プロ野球クイズ's written reviews are positive against 43% of Intro King's.

.389 / プロ野球クイズ ships an update every 3 weeks, Intro King every 9 days. The most recent releases landed on September 16, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | .389 / プロ野球クイズ | Intro King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/389/id1668555651/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/intro-king/id6449006748/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **70.0% of reviews** | 43.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 41 MB | 56 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Tetsuo Oda](https://appshunter.io/developer/1627427246) | [Yutaka Kato](https://appshunter.io/developer/1674092270) |

## What reviewers say

### .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


### Intro King

[App page](https://appshunter.io/ios/app/intro-king/id6449006748)

Test your music knowledge with this interactive intro quiz game. Play solo modes like Time Attack or Score Challenge, or compete with friends in real-time online battles or local party modes. Create custom playlists from your favorite songs or use pre-made ones.

**Highlights:** Intro quiz gameplay, Multiple game modes (Time Attack, Score Challenge, Remote Match, Party Mode), Real-time online battles, Local multiplayer for up to 6 players, Customizable song playlists, Apple Music integration (for subscribers)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Plan | $1.99 | per month |


## Frequently asked questions

### 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.

### Is Intro King free?

Intro King is free to download, with in-app purchases available.

### Which has better reviews, .389 / プロ野球クイズ or Intro King?

.389 / プロ野球クイズ and Intro King are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do .389 / プロ野球クイズ or Intro King have ads?

Both .389 / プロ野球クイズ and Intro King show ads.

### Which is updated more often, .389 / プロ野球クイズ or Intro King?

.389 / プロ野球クイズ ships an update every 3 weeks, and Intro King every 9 days. Most recently, .389 / プロ野球クイズ was updated on September 16, 2026 and Intro King on September 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.*