📈Last 7 days+33 installs — 83% faster than the week before (+18) · 3/day since Oct 9
🏆Among Communication appstop 12% by installs gained this week (185 peers growing)
🛠Updatesquiet · updated 41 days ago
Installs since launch
+93 installs
since Oct 9
Update history
1.5.3Oct 2, 2026 · seen Oct 21, 2026
一部の機種で音量が小さい不具合の修正
Only the current version so far — new entries appear as the app ships updates.
Callsign is a communication app by Sony Business Solutions Corporation with 5,000+ downloads (about 8.6K estimated). +33 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Commercial radio using IP network
(Transceiver · Income)”