The free plan gives a small monthly credit allowance, caps how many scenarios can be active, and enforces a long minimum gap between runs. Enough to learn on; not enough to depend on.
Paid plans start low and give a much larger credit allowance, which also removes the scenario cap and shortens the minimum gap between runs.
Every module execution costs one credit, not every workflow run. A ten-step scenario running a hundred times spends a thousand credits.
Since 2025-08-27 the meter has been called credits rather than operations, and AI features and code execution consume more per use than ordinary modules.
Sketch your workflow on paper first. Counting the modules before you build tells you the monthly cost before you commit.