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Grow & market

Why is retention more important than acquisition?

Retention is the foundation everything else stands on: without it, acquisition and referral just pour water into a leaky bucket. A flattening retention curve is the clearest proof of product-market fit and the thing that makes every growth loop compound. Fix retention before you spend a rupee on growth.

Go deeper

2 resources.

📄 Article
Freemium Intermediate

Concrete retention benchmarks and cohort-analysis methods gathered from dozens of top companies, so you can tell a healthy retention curve from a dying one.

How the Best Companies Measure and Improve Retention

From Lenny's Newsletter by Lenny Rachitsky ~20 min read

  • Judge retention with cohort curves; a flattening plateau signals real value.
  • A curve decaying to zero means you don't yet have product-market fit.
  • Benchmark retention against your category, not against vanity averages.
Open lennysnewsletter.com →
📄 Article
Free Beginner

The original, still-used test for whether you have product-market fit, from the person who coined 'growth hacking' and grew Dropbox and others.

The Sean Ellis Product-Market Fit Survey (40% Test)

From Startup Marketing / GrowthHackers by Sean Ellis ~10 min read

  • Ask users how they'd feel if they could no longer use your product.
  • If 40%+ say 'very disappointed', you likely have fit worth scaling.
  • Below 40%, growth spend accelerates churn instead of revenue.
Open startup-marketing.com →

Terms in this answer

Product-Market Fit Growth Loop Retention

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