# B型診断 vs QuizChat/Helpful App for Study

The clearest difference is review sentiment: QuizChat/Helpful App for Study at 50% against B型診断's 0%. QuizChat/Helpful App for Study also leads on update cadence (every 2 days vs every 8 months). B型診断's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

B型診断 ships an update every 8 months, QuizChat/Helpful App for Study every 2 days. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | B型診断 | QuizChat/Helpful App for Study |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 91 MB | 24 MB |
| Requires iOS | **7.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Kodai Nakade](https://appshunter.io/developer/1679722037) |

## What reviewers say

### B型診断

[App page](https://appshunter.io/ios/app/b/id487618311)

Discover your hidden personality traits by answering simple questions. After the personality quiz, engage in a fun idle game where you mass-produce and protect unique characters from enemies. Aim to reach a trillion units!

**Highlights:** Personality quiz based on simple questions, Idle game with character mass production, Protect characters from enemies, Unlock new stages and items, Achieve trillion unit goals

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

**In-app purchases:** none


### QuizChat/Helpful App for Study

[App page](https://appshunter.io/ios/app/quizchathelpful-app-for-study/id6739839734)

Create custom study materials with a personalized character that quizzes you. Import question data from your computer for efficient learning management. Set test parameters like question count and time limits.

**Highlights:** Character creation, Custom question/answer creation, Character-led quizzing, Folder organization for questions, CSV file import for questions, Adjustable test settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B型診断 free?

B型診断 is free to download, with no in-app purchases.

### Is QuizChat/Helpful App for Study free?

QuizChat/Helpful App for Study is free to download, with no in-app purchases.

### Do B型診断 or QuizChat/Helpful App for Study have ads?

QuizChat/Helpful App for Study shows ads; B型診断 does not.

### Which is updated more often, B型診断 or QuizChat/Helpful App for Study?

B型診断 ships an update every 8 months, and QuizChat/Helpful App for Study every 2 days. Most recently, B型診断 was updated on October 4, 2026 and QuizChat/Helpful App for Study 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.*