Sends notification in any way user preferred. Notifications should be sent to users for every contact/lead activity through the integrated software or HubSpot. Feeding contact owners any actions of any leads/contacts associated with them. (Whether SMS reply, email, bookings on meetings, deal changes, status changes, opt-out or in, and all other ones.)

I see Sakari currently as being a non-challan app, just letting contact/account owners and subscribers whatever they do. No big time updates on their app since.