About this app
Two-kanji idioms, Niji-jyukugo, will increase your Japanese vocabulary to remember its synonyms and antonym. When you write a sentence in Japanese, a lot of synonyms (words represent the same meaning) are very useful for you. Antonyms, the power to explain things from the opposite side, will be a shortcut to successfully express what you want to say. This app has a lot of synonyms and antonyms of two-kanji idioms for Japanese beginner. Enjoy! # Japanese only
Latest release
What’s New
Fixed minor bugs
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 7, 2026 · 7:02 AM Free