# 東大王からの挑戦状 vs Phantom Word

The clearest difference is in-app purchases: 東大王からの挑戦状 at none against Phantom Word's 1. 東大王からの挑戦状 also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (12.5 vs 15.0). Phantom Word's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Phantom Word sells 1 one-off in-app purchase. 東大王からの挑戦状 asks for nothing beyond the download.

東大王からの挑戦状 ships an update every 3 months, Phantom Word every 9 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 東大王からの挑戦状 | Phantom Word |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (22 ratings)](https://appshunter.io/ios/app/iq/id1442481744/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Ad-supported | — |
| Size | 228 MB | 50 MB |
| Requires iOS | **12.5** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIKU KURAKI](https://appshunter.io/developer/1161306102) | [Ryota Shimizu](https://appshunter.io/developer/1740200615) |

## What reviewers say

### 東大王からの挑戦状

[App page](https://appshunter.io/ios/app/iq/id1442481744)

Test your intellect with challenging brain-training quizzes and puzzles. Solve over 150 unique riddles using your intuition and deduction skills. Can you conquer all the puzzles and prove your intelligence?

**Highlights:** Challenging brain-training quizzes, Over 150 riddle-style puzzles, Intuitive deduction gameplay, Tap-based answer input, Unlimited attempts to solve

**Features:** macOS Compatibility

**In-app purchases:** none


### Phantom Word

[App page](https://appshunter.io/ios/app/phantom-word/id6753092452)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phantom Wordプレミアム版 | $3.99 | one-time |


## Frequently asked questions

### Is 東大王からの挑戦状 free?

東大王からの挑戦状 is free to download, with no in-app purchases.

### Is Phantom Word free?

Phantom Word is free to download, with in-app purchases available.

### Do 東大王からの挑戦状 or Phantom Word have ads?

東大王からの挑戦状 shows ads; Phantom Word does not.

### Which is updated more often, 東大王からの挑戦状 or Phantom Word?

東大王からの挑戦状 ships an update every 3 months, and Phantom Word every 9 months. Most recently, 東大王からの挑戦状 was updated on October 29, 2026 and Phantom Word 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.*