Pick Missive if
support / sales teams who will start the 30-day Productive trial (no card), then Starter at $14/user/month yearly when the team is small, or Productive at $24 when they need integrations (cap 50 users on that tile).
Read the Missive pagePick Spark Mail if
teams who will stay on Free while they clear a first Focused Inbox — then Plus at US$10/user/mo (or US$99/yr) when they want Gatekeeper / extra productivity, not Missive Starter $14 first unless they want a shared inbox as the default, and not if they need PGP (that’s Canary’s Pro+ desk).
Read the Spark Mail page