Zellbox brings WhatsApp Business, Google Calendar and Gmail into one shared inbox for appointment-driven teams: clinics, salons, field sales, home services. Automatic WhatsApp reminders cut no-shows, visits sync two-way with Google Calendar, and every reply lands on the customer record. Official Meta Cloud API with Coexistence (keep WhatsApp on your phone), pre-approved templates, no per-seat pricing. Free plan, live in 5 minutes.
