WHITE JAM App FANCLUB is an entertainment app by CRAYON Inc with 1,000+ downloads (about 1.5K estimated). +9 installs in the last 7 days. Released Jul 24, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “WHITE JAM Official App
We have prepared a lot of content such as the latest news, app-only live streaming, advance tickets, and in-app SNS.
[About members]
WHITE JAM
Monthly membership: 500 yen (tax included)
Annual membership: 5,000 yen (tax included)
You can enjoy all the content in the app.
WHITE JAM
Free…”