Newsletter Spy

A database of 20,000+ Substack newsletters

28 followers

A database of 20,000+ Substack newsletters

28 followers

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Knowledge base software

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Data analysis tools

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Newsletter platforms

Newsletter Spy is a database of 20,000+ Substack newsletters and includes information like the number of subscribers, the launch date, and engagement metrics.

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Looking beyond Newsletter Spy? Try newsletter.surf for browsing curated topics, LetterHunt to reach 10K+ active newsletters for partnerships, Newsletter Operating System for a growth dashboard, or CuratedLetters to build fast with templates.