# 化学の王様 vs 学習用検索アプリ

化学の王様 and 学習用検索アプリ both sit at 5.0 stars, but that hides the real split: 90% of 学習用検索アプリ's written reviews are positive against 25% of 化学の王様's. 学習用検索アプリ also leads on in-app purchases (none vs 3). On price, rating, ratings volume and update cadence 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. 学習用検索アプリ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 化学の王様 against 5.0 for 学習用検索アプリ. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 25% of 化学の王様's written reviews are positive against 90% of 学習用検索アプリ's.

化学の王様 ships an update every 3 weeks, 学習用検索アプリ every 11 days. Both last shipped on September 21, 2026.

## The numbers

| Metric | 化学の王様 | 学習用検索アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/id1519715518/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/okke/id1540697607/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 25.0% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 139 MB | 67 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [okke, Inc.](https://appshunter.io/developer/1540697609) |

## 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 |


### 学習用検索アプリ

[App page](https://appshunter.io/ios/app/okke/id1540697607)

This app helps students find educational videos, study methods, and background music on YouTube without distractions. It's designed to boost motivation and aid in finding specific learning content, from formulas to test preparation.

**Highlights:** Search YouTube for lessons, formulas, study methods, and BGM, Distraction-free learning environment, Boost motivation with study music and 'study with me' videos, Find specific lesson videos, Review forgotten formulas and terms, Discover personalized study methods and motivational content, Save favorites and organize learning materials

**Features:** 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 学習用検索アプリ free?

学習用検索アプリ is free to download, with no in-app purchases.

### Which has better reviews, 化学の王様 or 学習用検索アプリ?

化学の王様 and 学習用検索アプリ are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do 化学の王様 or 学習用検索アプリ have ads?

Both 化学の王様 and 学習用検索アプリ show ads.

### Which is updated more often, 化学の王様 or 学習用検索アプリ?

化学の王様 ships an update every 3 weeks, and 学習用検索アプリ every 11 days. Most recently, 化学の王様 was updated on September 21, 2026 and 学習用検索アプリ on September 21, 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.*