Insights
Measure Product-Market Fit in Two Stages: Validate the Problem, Then Read Your Retention Curve
Product-market fit for early-stage SaaS is best validated in two sequential stages: first, qualitatively confirm a real, painful problem, and second, quantitatively measure user retention. This approach prioritizes understanding user needs before building solutions and uses retention curves as the most honest signal of durable product value.
Lucas Bennet·October 25, 2026
