Want to create an interactive transcript for this episode?
Podcast: The SaaS Podcast - AI, Growth & Product-Market Fit for SaaS Founders
Episode: SaaS Product-Market Fit: 200K Users With Zero Marketing
Description: 20,000 test billing emails sent to real customers. Total chaos. Sergiy Korolov's team built a quick fix - and accidentally discovered SaaS product-market fit. When they shared the tool with the Ruby on Rails community, it spread through word of mouth to 200,000 users with zero marketing spend.
Sergiy reveals why Mailtrap stayed free for five years before monetizing, how 100+ customer interviews guided their market validation strategy, and the "fake door test" that confirmed product-market alignment with 300 survey responses before writing code.
Mailtrap generates seven-figure ARR with 100,000+ monthly active users and a 40-person team. The SaaS product-market...