Newsletter Spy
A database of 20,000+ Substack newsletters
What is Newsletter Spy?
Newsletter Spy is a database of 20,000+ Substack newsletters and includes information like the number of subscribers, the launch date, and engagement metrics.
Tool Details
| Categories | Knowledge base software, Data analysis tools, Newsletter platforms |
|---|---|
| Website | newsletterspy.io |
| Became Popular | December 7, 2020 |
| Platforms | Web |
Frequently Asked Questions about Newsletter Spy
When did Newsletter Spy become popular?
Newsletter Spy became popular around December 7, 2020.
What type of tool is Newsletter Spy?
Newsletter Spy belongs to the following categories: Knowledge base software, Data analysis tools, Newsletter platforms.
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