📈Last 7 days+21 installs — 5% faster than the week before (+20) · 3/day since Oct 9
🏆Among Business appstop 9% by installs gained this week (720 peers growing)
🛠Updatesquiet · updated 31 days ago
Installs since launch
+111 installs
since Oct 9
Update history
4.0.91Oct 15, 2026 · seen Oct 21, 2026
Only the current version so far — new entries appear as the app ships updates.
Blackbook is a business app by ZRTWS with 1,000+ downloads (about 1.7K estimated). +21 installs in the last 7 days. Released Sep 1, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “Find Talent, Be Found, Message”
