Spark for Teams
sparkmailapp.com · checked 4 Oct 2026
How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on Email Collaboration Software5.5#23 of 35

Pricing
- FreeSmart Inbox · Unlimited email accounts · Smart notifications · Essential email productivity · CalendarFree
- Plus40 AI Meeting NotesOn request
- ProUnlimited assignmentsOn request
- EnterpriseSecurity and controls · Dedicated success manager · Productivity coachingOn request
As sparkmailapp.com lists them, checked 4 Oct 2026.
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