Zellbox Blog
Insights and updates from the Zellbox team — appointment reminders, WhatsApp Business automation, and how clinics, salons, sales teams, and home services keep customer conversations in one place.
Wati vs Zellbox: which WhatsApp CRM fits your business?
Wati is a multi-channel WhatsApp platform for e-commerce + support teams. Zellbox is WhatsApp + Google Calendar for appointment-driven businesses. Real prices, honest verdict.
Nacho Coll 10 min read
Fitness studios: WhatsApp campaigns that renew the 10-class pack on time
Studios lose 35% of pack renewals to silent lapse. The renewal nudge at session 7 of 10 cuts that to under 15% without sounding pushy.
Nacho Coll 7 min read
Charging WhatsApp Deposits Without Losing Bookings — Stripe Setup for Salons + Spas
Set up no-show deposits via WhatsApp and a Stripe Payment Link without breaking the booking flow — deposit tiers, refund windows, and wording that keeps bookings coming.
Nacho Coll 8 min read
Spa + wellness: turning WhatsApp inquiries into booked treatments
Phone inquiries die in voicemail. WhatsApp inquiries land on the same channel the booking confirmation will use later. The flow that closes more bookings before the customer cools off.
Nacho Coll 7 min read
5 free Zellbox Business licenses ($1,188/yr) — apply now
Zellbox is picking 5 appointment-driven SMBs for a free 12-month Business plan ($1,188/yr value), with founder-led onboarding. Apply by September 18, 2026.
Nacho Coll 6 min read
Walk-ins vs WhatsApp booking — the math for a 4-chair barber shop
Walk-ins die. WhatsApp bookings stick. The math + the conversion data for a busy 4-chair shop running 80 cuts per chair per week.
Nacho Coll 8 min read
GDPR Checklist for Private Clinics (2026): Auditor's Guide
GDPR checklist for private clinics (2026): the 5 areas auditors open first, mapped to concrete fixes clinics can ship before an audit.
Nacho Coll 10 min read
Beauty salon: stylist-aware customer recall (who cuts what, when)
Maria cuts with Sofia, colours with Carla. A generic CRM doesn't know that. The recall protocol that keeps the chair full and the stylist relationship intact.
Nacho Coll 8 min read
Zellbox passes Google CASA Tier 2 security assessment
Zellbox cleared Google's CASA Tier 2 — the audit for apps using restricted OAuth scopes like Gmail and Calendar. What it covered, why it matters.
Nacho Coll 3 min read