Our take
Pick Dovetail if research / product teams who will stay on Free at $0 / user / month (one channel, one project, Chat) while they open a first interview grid, then talk to sales for Enterprise when they need unlimited projects, channels, and dashboards. 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
Best for
Dovetail Interview clips you file in a project
Plain Threads you start on a printed $ seat
Free plan
Dovetail $0 · / user / month. No card. One channel. One project. Chat against that project. AI summaries inside the single project
Plain No free plan
Lowest paid
Dovetail Not published by the vendor
Plain Horizon $99/mo yearly
Coding agent
Dovetail
Plain Sidekick
Runs where
Dovetail Hosted
Plain Hosted
Watch out
Dovetail Free is one project and one channel
Plain Foundation annual $45 is a member seat, not unlimited humans
Last checked
Dovetail 2026-10-23 · dovetail.com/pricing
Plain 2026-10-23 · plain.com/pricing
research / product teams who will stay on Free at $0 / user / month (one channel, one project, Chat) while they open a first interview grid, then talk to sales for Enterprise when they need unlimited projects, channels, and dashboards.
Read the Dovetail pageproduct 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
