Newsletter Insights — independent newsletter & sponsorship data across 33K+ newsletters
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200
Bottom 25% in Marketing
substack
Marketing
Weekly
1.0 posts/week avg
vs 1.0/week category avg
Free
Category avg: $7/mo
225
newsletters in Marketing
Bottom 25% in Marketing
out of 225 newslettersPublishing Frequency
Weekly
Last published Apr 1, 2026
1.0 posts/week avg
