Clatter | 英単語

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About this app

Clatter is an English language learning app that teaches you by typing words.

Learn to type in English on your keyboard and communicate with foreigners!

■Features of Clatter

• Learn English words and keyboard input simultaneously.

• Includes vocabulary expected for Eiken®, TOEIC®, TOEFL®, IELTS®, and university entrance exams.

• Freely customize the number of words studied at once, and whether to display or hide katakana and Japanese translations.

• Audio is read aloud by a native American speaker.

■Three Basic Modes of Clatter

This app allows you to study English words in three modes.

1. Basic Practice

This mode involves looking at a word and typing it on the keyboard.

In this mode, match the word's "letters," "meaning," "sound," and "input."

2. Dictation

This mode involves listening to the audio of the word being read aloud and typing it.

Try it to test your skills.

3. Multiple Choice
This mode involves looking at a word and selecting the correct Japanese meaning from four options.
Try it as a break when you're tired of "inputting"!

Eiken® is a registered trademark of the Japan English Proficiency Association.

This content has not been approved, endorsed, or otherwise reviewed by the Japan English Proficiency Association.

TOEIC® is a registered trademark of ETS. This product is not endorsed or approved by ETS.

IELTS® is a registered trademark of The British Council, IELTS Australia Pty. Ltd., and Cambridge English (part of Cambridge University Press & Assessment). This content has not been approved, endorsed, or otherwise reviewed.
Updated on
Jul 28, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Data isn’t encrypted
Content rating
Everyone
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App support

About the developer
THIRD DOOR LIMITED LIABILITY CO.
ku-obe@thirddoor.co.jp
1518-8, YAMAZAKI NODA, 千葉県 278-0022 Japan
+81 90-4175-1640