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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Newsletter Spy launches

Launch date

Newsletter Spy 2.0A database of 100,000+ newsletters

Launched on September 2nd, 2021

Newsletter SpyA database of 20,000+ Substack newsletters

Launched on December 7th, 2020