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Coai for iOS

By Junming Du Free

Developer's Description

Coai is a unique and exciting multiple-language learning game that allows you to compare and learn a word in different languages at the same time by using a creative puzzle approach!

Why we need Coai ?

Although English is the most common language in the world, surely its not enough in the global circumstance.

For example, if you want to learn more about the countrys history, culture, and technique, the official language is not English. So the best way for you is to start learning their language.

Furthermore, if you learn two languages from the same branch, you can do a lot compare to the word, phrase, or grammar, which enhances you to know the learning languages more intensely and leave a more substantial footprint and connection in your brain.

By showing the suppose is right, Coaiborn into the world.

We will keep on doing version up on Coai to let everyone know that multiple language leaning can shorten the study time, and get more gains.


By designing the wordlist of the latest topic, we start to use the text mining techniques to figure out the high-frequency words in the special occasion (such as TV shows, professional courses and so on)

To ensure you can start your lesson in a limited time, we design an open lock puzzle gameplay that needs your rapid swiping and single tapping.

We handpicked 8000+ practical words in 200 topics that you can learn the wordlist, which is needed. And every single word has a distinct illustrator to help store the new memories more sticky.


Already 18 topics, 200+ sub-topics, and growing.

Thousands of pictures help you remember words.

Spanish, English, French, German, Italian, Japanese, Chinese, Korean, Russian, Arabic, Portuguese, Hindi, Polish, and above 14 languages you can learn here.

How to play !

When a question appears, you should read the message( illustrator or audio ) from the word and swipe the sliders to find the correct answers( IPA, the meaning in your mastered language, short phrases, and sentences audio about the word) .

The word you are making the wrong choice during the practice mode will automatically send it to the review list. Unlike most apps, we dont let the system bother you to finish the review, you can choose which word you do want to practice again, and the word you seldom review will disappear as time goes.

If you do practice a new topic, the system needs you to finish a fast test before heading to the practice mode, and the word in which you give a correct answer, its appearance frequency will decrease a lot. So if you dont want to waste on the word you have mastered before, please take the fast test seriously.

Story about Coai

Coaiis a mysterious statue in Cats World just like theMoaistatue in Humans World. One day the little cat called Somamiwas absorbed by the Coaistatues mouth, and head into the Humans World.

During looking for the way to return the Cats World, Somamimet a young girl calledAikowho enjoy her trip on Easter Island. After the destiny encounter,Coaiaccompanied Aikoto the multiple culture city-Kioka

By finding out how to go back to its world,Somamineed know more about the Humans World. So It decided to disguise as human beings and start learning human language as its first step in Kioka.


Thank you for your continued support! Please, enjoy it and have fun!!

If you have any advice to improve our games, feel free and let us know. It would be very appreciated. Also, if there are bugs, let us know. We'll fix it as soon as possible.

Our mission is to let language learners know that learning a foreign language is a playful process, and we can start learning anytime and anywhere by using Coai.

Feel free to contact us to


Let's have fun and enjoy language learning !

Full Specifications

What's new in version


Release July 27, 2020
Date Added July 27, 2020

Operating Systems

Operating Systems iOS
Additional Requirements Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.


Total Downloads 0
Downloads Last Week 0
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