Sponsor comparison
Audible vs Castbox
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Category
Audible
Castbox
Industry
Technology
Consumer Electronics
Newsletter
Ryan McBeth
1.0M subscribers
The Blog of Author Tim Ferriss
1.5M subscribers
Audience reach
1.0M subs
1.5M subs
Ad format
AI Detected Sponsorship
Get Lies to Rule Men on Audible here:
Brand Partnership
Listen on Castbox - podcast platform promotion
Last recorded
January 2026
January 2026
Ad copy examples
Audible
Get Lies to Rule Men on Audible here:
Castbox
Listen on Castbox - podcast platform promotion
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