“Coban” is a Japanese learning app designed to help learners study everything from JLPT N5 to N1 within a single app.
Rather than focusing only on passing exams, Coban was created with a strong emphasis on helping users quickly understand and actively use real Japanese in practical situations.
One of Coban’s main concepts is learning Japanese efficiently by first capturing the overall structure and feeling of the language instead of memorizing countless rules one by one. The app is designed so learners can quickly study the information they need and immediately apply it to real communication, making it ideal for reviewing before class, preparing for conversations, or reinforcing what has already been learned.
Coban works especially well as a supplementary learning tool alongside lessons, textbooks, and real-life conversation practice. Combining digital study with practical usage and traditional learning methods can dramatically improve Japanese ability, and Coban was developed to support that daily digital learning process.
Audio is included for all example sentences and almost all vocabulary words. With more than 12,000 audio files, learners can improve not only vocabulary and grammar, but also listening and shadowing skills. All content is stored locally on the device, allowing users to study even without an internet connection.
The app includes more than 2,100 kanji, 7,500 vocabulary words, 490 grammar points, and over 2,500 example sentences. From beginner to advanced learners, Coban provides comprehensive support for reaching JLPT N1 level and developing the ability to understand natural Japanese used by native speakers and in professional environments.
Coban was created for learners who want to understand Japanese more naturally and use it confidently in real situations, not only for exams.
Amazing app so far, but I’d love to have a placement test.
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I really like this app. I love the layout and the way it’s organized. But I recommend making an optional placement test if you can, so users can see what level they are and what they should skip. Thank you:)
Muuuch better than Duolingo
if still on fb unblock me
It teaches you actual rules of grammar. If only every language app did this, language learning would be a whole different ball game and so much easier. The only issue is sometimes it boots me out halfway through some lessons-not sure if that’s cuz I haven’t paid for the full package, but, I’ve seriously been considering it. Gold on offer here
Awesome app!
BeeFreckles
I use this app to help with grammar and vocab- it is amazing. The app is easy to use, easy to understand, and the reviews are much more straightforward. Thank you for this app!
Some slight issues…
IsaacMacKenzie75
The app looks decent, and has good content, however, sometimes when I complete an exercise it says I got 50 when I really got 100. Not sure why this happens, but it is annoying as I have to do each subject 2-4 times in order to get the 100 even though I got it each time.
Developer Response
Hi Isaac-san. Thank you for your feedback! Could you tell in which section you have that issue? (e.g particle section, grammar section etc.) I will check the code and fix it as soon as I can.You can contact me using contact form on the app or via the following email.nihongo.library@gmail.comI would appreciate your cooperation.Best regards
- Improved JLPT Dictionary Pop-up: Improved the dictionary in the results review screen, with support for languages other than English.
- Fixed an issue where some N3 audio did not play correctly.
- Fixed duplicate items in My Lists.
- Fixed some translation errors.
Version 4.4.5
The developer, Akira NOGUCHI, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Identifiers
Usage Data
Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Identifiers
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Akira NOGUCHI
Size
674.6 MB
Category
Education
Compatibility
Requires iOS 16.0 or later.
iPhone Requires iOS 16.0 or later.
iPad Requires iPadOS 16.0 or later.
Mac Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
