# オタクイズ検定 for ハイキュー!! vs AI Character(Oshi) Chat

The clearest difference is review sentiment: AI Character(Oshi) Chat at 75% against オタクイズ検定 for ハイキュー!!'s 0%. AI Character(Oshi) Chat also leads on update cadence (every 5 days vs every 15 months). オタクイズ検定 for ハイキュー!!'s advantage is in-app purchases (none vs 5) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. AI Character(Oshi) Chat sells 5 in-app purchases, starting at $6.99 per month. オタクイズ検定 for ハイキュー!! asks for nothing beyond the download.

オタクイズ検定 for ハイキュー!! ships an update every 15 months, AI Character(Oshi) Chat every 5 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | オタクイズ検定 for ハイキュー!! | AI Character(Oshi) Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/ai-characteroshi-chat/id6474490826/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 27 MB | 108 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Junpei Shimotsu](https://appshunter.io/developer/882299124) | [Saki Tsuji](https://appshunter.io/developer/1504430106) |

## What reviewers say

### オタクイズ検定 for ハイキュー!!

[App page](https://appshunter.io/ios/app/for/id1529964892)

Test your knowledge with a free quiz app featuring 100 questions about a popular anime series. Enjoy 4-choice answers and instant feedback. Perfect for fans looking to challenge their understanding of the series.

**Highlights:** 100 diverse quiz questions, 4-choice answer format, Instant answer checking, Play anytime, anywhere, Test anime knowledge

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Character(Oshi) Chat

[App page](https://appshunter.io/ios/app/ai-characteroshi-chat/id6474490826)

Engage in deep, personalized conversations with AI-powered characters from anime, manga, games, or your own creations. Design their personality, speech, and relationship to you for a truly resonant experience.

**Highlights:** Create custom AI characters, Define personality and speech style, Design character relationships, Engage in roleplaying scenarios, Brainstorm creative ideas, Receive comfort and advice

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $6.99 | per month |
| Annual Plan | $59.99 | per year |
| 500 Diamonds | $2.99 | one-time |
| 1,000 Diamonds | $5.99 | one-time |
| 2,000 Diamonds | $9.99 | one-time |


## Frequently asked questions

### Is オタクイズ検定 for ハイキュー!! free?

オタクイズ検定 for ハイキュー!! is free to download, with no in-app purchases.

### Is AI Character(Oshi) Chat free?

AI Character(Oshi) Chat is free to download, with in-app purchases available.

### Do オタクイズ検定 for ハイキュー!! or AI Character(Oshi) Chat have ads?

Both オタクイズ検定 for ハイキュー!! and AI Character(Oshi) Chat show ads.

### Which is updated more often, オタクイズ検定 for ハイキュー!! or AI Character(Oshi) Chat?

オタクイズ検定 for ハイキュー!! ships an update every 15 months, and AI Character(Oshi) Chat every 5 days. Most recently, オタクイズ検定 for ハイキュー!! was updated on October 2, 2026 and AI Character(Oshi) Chat on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*