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 Knock
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 Knock if product / growth teams who will stay on Developer $0 (10K messages, 500 guide users, 500 AI credits, no Knock branding removal) while they ship a first workflow, then land on Starter at $250/month (50K
Best for
Courier Templates and journeys you start at $0
Knock Messages you start at $0 / 10K
Free plan
Courier No free plan
Knock $0 · /month. 10K messages (workflows + broadcasts). 500 guide active users. 500 AI agent credits, then $0.01/credit. Unlimited workflows, broadcasts, channels, and team members. Batch and delay. Multi-tenancy. Google SSO
Lowest paid
Courier Business $0.005
Knock Starter $250/user/mo
Runs where
Courier Local or hosted
Knock
Watch out
Courier Free is 10,000 sends / month
Knock $0 includes 10K messages
Last checked
Courier 2026-10-23 · courier.com/pricing
Knock 2026-10-22 · knock.app/pricing
Which one, then?
Pick Knock if
product / growth teams who will stay on Developer $0 (10K messages, 500 guide users, 500 AI credits, no Knock branding removal) while they ship a first workflow, then land on Starter at $250/month (50K messages, then $.005/message) when they need previews and the branding off.
Read the Knock page