★0.0(0 ratings)100,000+ installsRated for 3+株式会社Astran
RATINGS
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AGES
Rated for 3+
CATEGORY
Education
DEVELOPER
株式会社Astran
INSTALLS
100K+
Downloads
UPDATED
Mar 26, 2026
Last updated
This is an English vocabulary app that focuses on ``certain learning effects'' based on the latest science, and ``persistence'' that you've always noticed!
We offer 5 courses: TOEIC®, Eiken®, junior high school, high school, and improving English conversation skills!
Contains 11,300 words ranging from everyday conversation level to business level!
You can use all functions for free!
Mochitan is packed with mechanisms to get your brain pumping so you can continue to memorize English words efficiently!
■Let's touch on English words from various angles!
In adventure mode, you can travel through various stages such as grasslands, snowy countries, deserts, and sky islands, and take on English vocabulary quests!
There are quizzes that ask you to guess words from various aspects, such as Japanese-English, English-Japanese, image, pronunciation, and spelling.
By creating many memory hooks for one English word, you can firmly fix it in your memory!
You can also aim to improve your English conversation skills as you will be asked questions about expressions that can actually be used in English conversation!
■Fight with instant power! Real-time online battle!
In the battle mode, you can battle English words in real time with players from all over the country.
Correctly answer as many English vocabulary quizzes as possible in 50 seconds and aim for first place!
You can train your "instantaneous ability" to instantly recall the meaning of words.
While I was engrossed in the game, I thought, "Huh? Before I knew it, I remembered it!"
■A truly memorable learning experience based on the latest science
At Mochitan, cutting-edge AI measures your vocabulary!
We will automatically generate your own curriculum that will help you grow at the fastest rate!
Furthermore, AI learns your memory tendencies, strengths and weaknesses, and constantly optimizes your curriculum!
AI also optimizes your memory based on the forgetting curve, so you can quickly remember words you were about to forget!
■Overwhelming number of recorded words! ?
Mochitan contains 11,300 words, which exceeds all vocabulary books!
We cover a wide range of vocabulary from TOEIC, Eiken, junior high school English, high school English, business English, and super basic conversation to near-native level conversation expressions!
■Visualize learning results!
Visualize your learning results in easy-to-understand graphs and tables on My Page!
You can feel your own growth by checking how many words you have learned, how strong your vocabulary is, and how much you have continued to study!
■Present every month based on ranking results!
We are holding monthly rankings based on your play performance!
Get to the top of the rankings and get limited characters!
■Let's work hard with friends!
Mochitan can be played with friends.
You can invite real friends or make new friends with Mochitan!
With friends, you can continue learning English vocabulary in a fun way!
■High school competition rankings are being held!
Mochitan is holding a high school competition ranking!
By registering your high school from My Page, you can collect BP with your friends from the same high school and participate in the rankings.
If you reach number 1 in the ranking, you will receive a wonderful gift...!
Alumni/OGs can also participate, so let's improve the ranking of your alma mater!
■Get attractive characters and have even more fun!
In Mochitan, you can choose your favorite character and battle!
There are 4 ways to get characters!
・Expand your continuous learning record
・Use coins to draw gacha
・Ranked high in the rankings
・Ranked high in high school competition rankings
Get various characters and enjoy Mochitan even more!
terms of service
https://astranjp.notion.site/519938b4c6bc4c8c914a5993e44638f2
Privacy policy
https://astranjp.notion.site/962527424bb94483b1c2ad9fd830a8cd
TOEIC is a registered trademark of Educational Testing Service (ETS) in the United States and other countries. This app is not approved or endorsed by ETS.
Eiken® is a registered trademark of the Japan English Language Proficiency Testing Association, a public interest incorporated foundation. This content has not been approved, recommended, or otherwise reviewed by the Japan English Proficiency Test Association.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
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The developer, 株式会社Astran, indicated that the app's privacy practices may include handling of data as described on Google Play. For more information, see the developer's privacy policy.
Privacy practices may vary, for example, based on the features you use or your age. Learn more
Privacy details and official information are on the Google Play store page. This site is not the official Google Play store. Learn more