# 東大王からの挑戦状 vs トキアカ

The clearest difference is in-app purchases: 東大王からの挑戦状 at none against トキアカ's 1. 東大王からの挑戦状 also leads on device support (3 vs 1) and iOS requirement (12.5 vs 16.0). トキアカ's advantage is review sentiment (65% vs 36%) and update cadence (every 3 weeks vs every 3 months). On price and ads there is nothing between them.

Both are free to download. トキアカ sells 1 in-app purchase, starting at $7.99 per month. 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, トキアカ every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 東大王からの挑戦状 | トキアカ |
| --- | --- | --- |
| 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 | **65.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 228 MB | 52 MB |
| Requires iOS | **12.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [MIKU KURAKI](https://appshunter.io/developer/1161306102) | [NIKKEI INC.](https://appshunter.io/developer/367309142) |

## 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


### トキアカ

[App page](https://appshunter.io/ios/app/id1601134468)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| トキアカ 月額サブスクリプション | $7.99 | per month |


## 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 トキアカ free?

トキアカ is free to download, with in-app purchases available.

### Do 東大王からの挑戦状 or トキアカ have ads?

Both 東大王からの挑戦状 and トキアカ show ads.

### Which is updated more often, 東大王からの挑戦状 or トキアカ?

東大王からの挑戦状 ships an update every 3 months, and トキアカ every 3 weeks. Most recently, 東大王からの挑戦状 was updated on October 29, 2026 and トキアカ on October 30, 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.*