# 無機化学マスター

> A comprehensive university entrance exam preparation app covering all areas of inorganic chemistry. Includes 639 questions, categorized by difficulty level, and includes support for written response questions.

Canonical page: [https://chrome-stats.com/d/com.studyapp.chem\_quiz](https://chrome-stats.com/d/com.studyapp.chem_quiz)

## Overview

- **ID:** `com.studyapp.chem_quiz`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Study\_App
- **Category:** EDUCATION
- **Downloads:** 19
- **Version:** 2.1.0
- **Last updated:** 2026-07-02
- **First published:** 2026-06-29
- **Publisher country:** JP
- **Size:** 24 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.studyapp.chem_quiz)
- **Website:** [https://hankachiohji3110-ui.github.io/privacy-policy/](https://hankachiohji3110-ui.github.io/privacy-policy/)
- **Privacy policy:** [https://hankachiohji3110-ui.github.io/privacy-policy/](https://hankachiohji3110-ui.github.io/privacy-policy/)

## Description

Master Inorganic Chemistry for University Entrance Exams and High School Chemistry!<br><br>Inorganic Chemistry Master is a problem-solving app for junior high and high school students and university entrance exam candidates, containing 639 questions across 11 fields of inorganic chemistry.<br><br>【Recommended for those who:】<br>・Struggle with inorganic chemistry in regular tests and mock exams<br>・Struggle to organize information due to the large amount of memorization required<br>・Want to practice quickly during spare time<br>・Want to identify their weak areas<br>・Don&#39;t know when to review incorrect answers<br><br>【Main Features】<br>■ Field-Based Learning<br>Divided into 11 fields, including oxygen and sulfur, nitrogen and phosphorus, gas production methods and properties, alkali metals, alkaline earth metals, amphoteric metals, transition elements, industrial production methods, complex ions and separation experiments, and comprehensive inorganic chemistry problems, allowing you to focus on your weak areas.<br><br>■ Comprehensive Test<br>Check your abilities with a comprehensive test featuring randomly selected questions from all fields.<br><br>■ Difficulty Level-Based Problem Structure<br>Displays three difficulty levels: basic, standard, and secondary exam preparation. Work at your own pace.<br><br><br>■ Review Function<br>Automatically records incorrect answers and questions marked &quot;I don&#39;t know,&quot; allowing for efficient review.<br><br>■ Learning Statistics &amp; Notification Settings<br>View your learning record in a calendar format and set review reminders for incorrect answers.<br><br>【Usage Information】<br>Basic functions are free. In-app purchases are available for unlocking individual subjects (¥120 each), unlocking all subjects at once (¥480), and removing ads (¥200).<br><br>Please use this app to help with your Common Test and university entrance exam preparation.

## Rankings

- #2,603,736 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.USE_EXACT_ALARM`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `com.studyapp.chem_quiz.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.studyapp.chem_quiz)