We plan to bring eChai across 100 cities in India. The next eChai Startup Demo Day is on 29 August in Bengaluru and Pune. The next after that is on 26 September, all in person, with 12 cities confirmed and 527 founders registered. See your city
Everything from

Learning Loop

1 resource from Learning Loop we point founders to, and the questions each answers.

📄 Article
✓ Link checked Free Intermediate

A clear step-by-step on running the 40% test correctly - who to survey, when, and how to avoid the sampling mistakes (resurveying the same users, surveying first-timers) that make the score meaningless.

Product-Market Fit Survey Guide: Sean Ellis 40% Test Template

From Learning Loop by Learning Loop

  • Explains who qualifies to be surveyed (used the product at least twice, recently)
  • Covers how to calculate and interpret the PMF score with benchmarks
  • Recommends running the test quarterly on fresh cohorts to track trend, not a single snapshot
Open learningloop.io →
Answers How do I know if my D2C brand has actually reached product-market fit, or if I'm just imagining it from a few good sales days?
eChai Partner Brands