WordBit 英語 (気づかない間に単語力UP)

WordBit 英語 (気づかない間に単語力UP) is an education app by WordBit with 100,000+ downloads (about 165K estimated). +346 installs in the last 7 days. Rated 3.3 from 767 ratings. Released Aug 11, 2017. Install growth, rank history, SDKs and ad networks.

From the store listing: “A small habit is a big achievement! Methods that can be habit the English study without difficulty English study app - for Japanese”