4.10.0
Oct 27, 2026 · seen Oct 29, 2026
4.7.0
Sep 25, 2026 · seen Sep 30, 2026
back number is an entertainment app by Fanplus, Inc. with 50,000+ downloads (about 54K estimated). +940 installs in the last 7 days. Released Aug 21, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “back number official app. In this app, you can enjoy various contents such as back number latest information, official fan club "one room" member exclusive movie and member blog.”