Only the current version so far — new entries appear as the app ships updates.
Rockon Social Club is an entertainment app by CRAYON Inc with 10,000+ downloads (about 12K estimated). +8 installs in the last 7 days. Released Jul 30, 2023. Install growth, rank history, SDKs and ad networks.
From the store listing: “In addition to official information such as the latest news, you can also enjoy a lot of original content such as advance ticket reservations, app-only photos and videos that only members can see, and posts from members.
[About premium members]
Monthly fee: 500 yen (tax included)
Annual fee: 5,500 yen (tax included)…”