Karl’s Substack Add us as a preferred source on Google
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👋 Unclaimed listing — auto-generated from public data; rates are estimates, not set by the creator. 🔒 Paid proposals held safely in escrow — released only when the work's approved.
💰 Suggested sponsorship rate
💡 Facts
👥 Audience demographics
EstimatedModeled from this creator's niche, platform & region — a niche benchmark, not this creator's real audience data.
- United States34%
- India11%
- United Kingdom8%
- Brazil6%
- Indonesia5%
- English88%
- Other12%
💬 Newsletter engagement
MeasuredReal reader activity from the last 12 posts — reactions, comments and restacks are public on every Substack post.
Almost every issue is free — a sponsor reaches the entire subscriber base.
About
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From SubstackKarl’s Substack publicly recommends these newsletters to its readers — a real signal of shared audience and strong collab targets.
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