Pick Calendly if
hosts who will stay on Free at $0 while they publish a first Coaching Sessions Event type, then Standard at $10/seat/month yearly ($12 monthly) — not Teams $16/$20 unless they need team routing, and not Enterprise from $15,000/year unless they need a quoted contract.
Read the Calendly pagePick TidyCal if
hosts who will stay on Free at $0 (unlimited bookings, 1 calendar, 1% platform fee) while they publish a first Pricing strategy session, then Individual Lifetime at $29 once when they need Zoom/Meet links — not Agency $79 first unless they need round-robin, and not Pro $12/month ($99/year) unless they need no branding / custom domain.
Read the TidyCal page