Sponsor comparison
Insider Intelligence vs Substack
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Category
Insider Intelligence
Substack
Industry
Market Research
Media
Newsletter
EMARKETER Daily
100K subscribers
Renga from LetterStack
50K subscribers
Audience reach
100K subs
50K subs
Ad format
Sponsored by
Sponsored by
Last recorded
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