れんらくアプリ is a tools app by VISH,inc with 1,000,000+ downloads (about 1.4M estimated). +5.1K installs in the last 7 days. Released Jun 9, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “This is a communication app that allows you to receive all communications from facilities such as kindergartens, schools, and extracurricular activities in one app.”