Pick Cal.com if
individuals who will stay on Free $0 (1 user, unlimited event types, calendar sync, no card) while they publish a first standup link, then buy Teams at $12 per user / month billed yearly when a second booker needs a shared workspace.
Read the Cal.com pagePick 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 page