# 化学の王様 vs おうち生物：高校生物・生物基礎

The clearest difference is in-app purchases: おうち生物：高校生物・生物基礎 at none against 化学の王様's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 化学の王様 sells 3 in-app purchases, starting at $3.49 per month. おうち生物：高校生物・生物基礎 asks for nothing beyond the download.

化学の王様 ships an update every 3 weeks, おうち生物：高校生物・生物基礎 monthly. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 化学の王様 | おうち生物：高校生物・生物基礎 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1519715518/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 139 MB | 19 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### 化学の王様

[App page](https://appshunter.io/ios/app/id1519715518)

This app offers a fun, quiz-like approach to learning high school chemistry. It features over 3000 questions in various formats and is designed to help users memorize key concepts for exams. Users can progress through stages and earn rewards while studying.

**Highlights:** Over 3000 chemistry questions, Quiz-like learning format, Short play sessions, Exam preparation content, Game-like progression, Gift rewards for quests

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 合格プラン | $3.49 | per month |
| 合格プラン | $17.49 | per 6 months |
| 合格プラン | $27.99 | per year |


### おうち生物：高校生物・生物基礎

[App page](https://appshunter.io/ios/app/id6468403741)

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

**In-app purchases:** none


## Frequently asked questions

### Is 化学の王様 free?

化学の王様 is free to download, with in-app purchases available.

### Is おうち生物：高校生物・生物基礎 free?

おうち生物：高校生物・生物基礎 is free to download, with no in-app purchases.

### Do 化学の王様 or おうち生物：高校生物・生物基礎 have ads?

Both 化学の王様 and おうち生物：高校生物・生物基礎 show ads.

### Which is updated more often, 化学の王様 or おうち生物：高校生物・生物基礎?

化学の王様 ships an update every 3 weeks, and おうち生物：高校生物・生物基礎 monthly. Most recently, 化学の王様 was updated on September 21, 2026 and おうち生物：高校生物・生物基礎 on September 15, 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.*