Sponsor comparison
HelloIris vs Metalab
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Category
HelloIris
Metalab
Industry
Mental Health
Mental Health
Newsletter
Dense Discovery
31K subscribers
Brain Food
325K subscribers
Audience reach
31K subs
325K subs
Ad format
Newsletter Sponsor
Newsletter Sponsor
Last recorded
August 2020
October 2020
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