# 歴史タイムライン - 日本史と世界史を年表で俯瞰

> We support knowledge retention through memorization, quizzes, and learning analysis.

Canonical page: [https://chrome-stats.com/d/app.happycode.chronology](https://chrome-stats.com/d/app.happycode.chronology)

## Overview

- **ID:** `app.happycode.chronology`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** HappyCode Lab
- **Category:** EDUCATION
- **Downloads:** 6
- **Version:** 1.1.0
- **Last updated:** 2026-08-31
- **First published:** 2026-08-31
- **Publisher country:** JP
- **Size:** 36 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=app.happycode.chronology)
- **Website:** [https://happycode.app/](https://happycode.app/)
- **Privacy policy:** [https://happycode.app/chronology/privacy.html](https://happycode.app/chronology/privacy.html)

## Description

#Overview<br>This app provides an overview of events in Japanese and world history through timelines, and supports knowledge retention through memorization, quizzes, and learning analysis. It offers a short, easy-to-repeate learning experience, suitable for everything from middle and high school regular tests to university entrance exams and relearning.<br><br>#Timeline<br>You can view timelines of Japanese and world history, categorized by basic, comprehensive, and inquiry-based courses. It can be used offline and is ad-free.<br><br>#Memorization Mode (In-App Purchase)<br>You can hide years and titles in the timeline for memorization practice. (Tap to switch display.)<br><br>#Quiz (In-App Purchase)<br>You can challenge yourself with multiple-choice quizzes answering questions about years and events. The scope of questions can be selected by subject and course, similar to the timeline menu.<br><br>#Learning Analysis (In-App Purchase)<br>Based on your quiz history, you can check your learning progress and areas of weakness.

## Rankings

- #2,975,145 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `app.happycode.chronology.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`

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Source: [Chrome-Stats](https://chrome-stats.com/d/app.happycode.chronology)