when-where-what-database

by Hiroe Oshimura · Education · Free

On the App Store since May 2024 · Data updated 2026-11-02

when-where-what-database is made and published by Hiroe Oshimura. AppBrain is an independent app data site and isn't affiliated with Hiroe Oshimura. The app name, icon, screenshots and description belong to Hiroe Oshimura and are shown as published on the App Store.

AppBrain's verdict

Last updated: November 29, 2025

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Version: 1.2.0
Launched: May 2024

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Technology

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Price: Free
App size: 30.3 MB
Content rating: Everyone

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About the app and developer

About when-where-what-database

when-where-what-database is an education app developed by Hiroe Oshimura.

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App Information

when-where-what-database is freely available from the App Store. The app size is 30.28 MB. The latest version available is 1.2.0. The last update was on November 29, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since May 2024.

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Frequently asked questions about when-where-what-database

Is when-where-what-database free?

Yes. when-where-what-database is free on the App Store.

Is when-where-what-database still available?

Yes. when-where-what-database is on the App Store, and the last update we saw was on November 29, 2025.

How large is when-where-what-database?

when-where-what-database is 30.28 MB.

Is when-where-what-database suitable for children?

App Store rates the content of when-where-what-database as suitable for everyone.

Who made when-where-what-database?

when-where-what-database was developed by Hiroe Oshimura. It is listed in the education category on the App Store.

What are the best alternatives to when-where-what-database?

People looking at when-where-what-database also look at these education apps: Mathematical Playground, Learn English Course: Articles, Argus LMS, Daily Dictionary, manabity - original FlashCards.

Store listing

By Hiroe Oshimura, from the App Store

Screenshots by Hiroe Oshimura, from the the App Store listing

Description by Hiroe Oshimura Written by the developer, not by AppBrain. Click to read.

"四次元年表" is a project where users collaborate to build a database that encompasses all historical events, from the origins of the universe to the endless "now", regardless of the field. It aims to accurately display both temporal and spatial distances by making "where" as important as "when".