# 日本史一問一答（解説付き） vs 生物の王様

The clearest difference is rating: 生物の王様 at 5.0 against 日本史一問一答（解説付き）'s 4.0. 生物の王様 also leads on update cadence (monthly vs every 3 months) and iOS requirement (15.0 vs 17.0). 日本史一問一答（解説付き）'s advantage is review sentiment (76% vs 59%) and ratings volume (5 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 日本史一問一答（解説付き） sells 1 in-app purchase, starting at $1.99 per month and 生物の王様 sells 3 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

生物の王様 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: 日本史一問一答（解説付き） has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 76% of 日本史一問一答（解説付き）'s written reviews are positive against 59% of 生物の王様's, so the app with the better star average is not the one people write more warmly about.

日本史一問一答（解説付き） ships an update every 3 months, 生物の王様 monthly. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 日本史一問一答（解説付き） | 生物の王様 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/id1168882679/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/and/id1546687700/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | **76.2% of reviews** | 58.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 140 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [StudySwitch, Inc.](https://appshunter.io/developer/1368900403) | [HANAUTA INC.](https://appshunter.io/developer/492009717) |

## What reviewers say

### 日本史一問一答（解説付き）

[App page](https://appshunter.io/ios/app/id1168882679)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 本気で勉強プラン | $1.99 | per month |


### 生物の王様

[App page](https://appshunter.io/ios/app/and/id1546687700)

This app offers a fun, quiz-like approach to learning biology, covering high school curriculum and exam preparation. It features over 3000 questions in various formats and allows users to progress through stages with rewards.

**Highlights:** Over 3000 biology questions, Quiz and multiple-choice formats, Short play sessions for quick study, Game-like progression with stages, Rewards for clearing quests, Adheres to high school guidelines

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 特訓プラン | $3.49 | per month |
| 特訓プラン | $16.99 | per 6 months |
| 特訓プラン | $26.99 | per year |


## Frequently asked questions

### Is 日本史一問一答（解説付き） free?

日本史一問一答（解説付き） is free to download, with in-app purchases available.

### Is 生物の王様 free?

生物の王様 is free to download, with in-app purchases available.

### Which has better reviews, 日本史一問一答（解説付き） or 生物の王様?

生物の王様 is rated higher. 日本史一問一答（解説付き） averages 4.0 out of 5 from 5 ratings, while 生物の王様 averages 5.0 from 1 ratings.

### Do 日本史一問一答（解説付き） or 生物の王様 have ads?

Both 日本史一問一答（解説付き） and 生物の王様 show ads.

### Which is updated more often, 日本史一問一答（解説付き） or 生物の王様?

日本史一問一答（解説付き） ships an update every 3 months, and 生物の王様 monthly. Most recently, 日本史一問一答（解説付き） was updated on November 2, 2026 and 生物の王様 on October 29, 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.*