Sponsor comparison
Headspace vs HelloIris
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Category
Headspace
HelloIris
Industry
Mental Health
Mental Health
Newsletter
Tim Ferris
1.5M subscribers
Dense Discovery
31K subscribers
Audience reach
1.5M subs
31K subs
Ad format
Newsletter Sponsor
Newsletter Sponsor
Last recorded
December 2020
August 2020
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