Circle vs Substack Comparison

Compare the revenue growth velocity and historical ARR milestones of Circle, Substack. See which company scaled faster from $1M to $100M ARR.

Metric	Circle	Substack
Current ARR	$50M	$45M
Growth Rate	Stable	+24%
Industry	Creator Economy	Creator Economy
Founded	2013	2017
Valuation	N/A	N/A

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