Substack is a publishing platform that combines email newsletters, podcasts, and a native app feed with paid subscriptions and reader discussions. Writers keep the subscriber list, Substack handles payments, hosting, and recommendations that grow the list from other newsletters. Widely used by VC investors to run a thesis newsletter, build reputation with founders, and sometimes monetise a paid tier that funds the research behind it.
Key features
- ·Email newsletters, podcasts, and a native app feed in one platform
- ·Paid subscriptions with payments, hosting, and reader discussion
Popular use cases
- ·Run a public thesis newsletter that compounds inbound dealflow from founders who subscribe
- ·Publish interviews and market notes to a paid tier that funds the research underneath
Last reviewed · April 26, 2026Suggest an update ↗