无痛日语 - AI背单词、查词典、JLPT考级 is an education app by NoBush Labs with 10+ downloads (about 46 estimated). +7 installs in the last 7 days. Released Aug 9, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Exam Preparation Questions | Listening Practice | Grammar Analysis | Hiragana and Katakana (Japanese 50-sound chart)”