Pick Courier if
product teams who will stay on Developer at $0 (10,000 sends / month) while they publish a first Design Studio template, then pay $0.005 / send when the list outgrows the free pack.
Read the Courier pageCourier vs Plain
Our take
Pick Courier if product teams who will stay on Developer at $0 (10,000 sends / month) while they publish a first Design Studio template, then pay $0.005 / send when the list outgrows the free pack. Pick Plain if product teams who will stay on Foundation at $45 / user / month billed annually (up to 5 member seats, 1,000 credits) while they open a first Threads list, then buy Horizon at $99 / user / month when they
Best for
Courier Templates and journeys you start at $0
Plain Threads you start on a printed $ seat
Free plan
Courier No free plan
Plain No free plan
Lowest paid
Courier Business $0.005
Plain Horizon $99/mo yearly
Coding agent
Courier
Plain Sidekick
Runs where
Courier Local or hosted
Plain Hosted
Watch out
Courier Free is 10,000 sends / month
Plain Foundation annual $45 is a member seat, not unlimited humans
Last checked
Courier 2026-10-23 · courier.com/pricing
Plain 2026-10-23 · plain.com/pricing
Which one, then?
Pick Plain if
product teams who will stay on Foundation at $45 / user / month billed annually (up to 5 member seats, 1,000 credits) while they open a first Threads list, then buy Horizon at $99 / user / month when they need more complex workflows.
Read the Plain page