Released February 2025  ·  iOS & Android

Learn the Japanese and English that move markets.

Kabutan GO!! is a Japanese & English vocabulary app centered on stocks, finance, economics, and global affairs. It now includes an ad-block browser for distraction-free reading, a bias score that quantifies media manipulation in news articles, and a URL & app launcher for faster, more convenient access.

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Our Philosophy

A different kind of language learning

We are Japanese learners of English and active investors. Kabutan GO!! was built from those two perspectives simultaneously — language proficiency as a tool for financial independence.

01

Learning should be intellectually stimulating

Not a chore. The content you study should be worth knowing in its own right, beyond any exam or credential.

02

The time you invest should create real value

Every word learned should contribute to something meaningful — a better-informed decision, a clearer read of a report, a market edge.

03

Beyond examinations

Exam-oriented study is rarely enjoyable, and fluency acquired for tests rarely transfers to real situations. We aim for practical, active proficiency.

04

Language as access to primary sources

The ultimate purpose is gaining direct access to global information — not passing tests, not advancing a career title, but independent judgment.

05

Benefit beyond the individual

An informed, independent-minded investing population is better for markets and for society. We take that aspiration seriously.

06

English · Japanese · both directions

The app supports English-to-Japanese and Japanese-to-English modes. Non-Japanese speakers curious about Japanese are welcome too.

Global information arrives in English first.

"The ability to independently gather and evaluate information is one of the most valuable skills an investor can possess."

Most information that shapes the global economy — corporate earnings, monetary policy decisions, technological breakthroughs, geopolitical developments — is created and distributed in English before it reaches translated sources.

English speakers often gain access to that information earlier and in greater depth. Kabutan GO!! is designed to close that gap for Japanese investors and learners.

By understanding the English in which markets actually speak, learners can reduce their dependence on secondary interpretations and build their own perspective from primary sources.

Whether the topic is a Fed statement, an earnings call transcript, a geopolitical analysis, or a sector outlook, the vocabulary to parse it is learnable — and worth learning deliberately.

We believe financial independence and language proficiency are not separate goals. Kabutan GO!! treats them as one.

A Deliberately Unconventional App

Not every word is comfortable. That's the point.

Kabutan GO!! uses unique vocabulary-selection criteria, nontraditional presentation methods, and content that confronts economic and social realities directly.

Some users find these choices unusual compared with conventional educational materials. Every decision serves the same objective: encouraging people to learn voluntarily and use the knowledge they gain to navigate the real world more effectively.

Our hope is that users will not only improve their English proficiency but also develop the ability to obtain information firsthand, think independently, and achieve meaningful results in their investing journeys.

Stocks Fixed Income Macro Economics Geopolitics Central Banks Corporate Finance Derivatives FX Markets Global Affairs Commodities

Download

Start reading the world in English.

Kabutan GO!! is free to download on iOS and Android. Released February 2025 by eta, Tokyo.

Download on the App Store Get it on Google Play