Lenny’s Newsletter · Subscriber post · Metrics, data & experimentation · Growth & retention

The most important consumer metrics to track

Which metrics matter most when building a B2C product

Lenny RachitskyNov 23, 20215 min♥ 90
SourceLenny’s Newsletter
KindSubscriber post
PublishedNov 23, 2021
Readers♥ 90
Originallennysnewsletter.com ↗
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Lenny Rachitsky answers a reader's question about which metrics matter for a consumer app, arguing the right metrics depend on how the business makes money. He walks through five consumer models (trial-based subscription, freemium subscription, ad-based, marketplaces, and DTC), listing the core metrics for each. He stresses using these as a starting point and narrowing to the two or three levers that most drive success.

Subscriber post — summary only

01Key takeaways

  • Choose consumer metrics based on your business model, especially how you make money.
  • Each model succeeds on different levers, such as trial conversion, freemium pool size, engagement, marketplace liquidity, or DTC margins.
  • Narrow focus to the two or three metrics that most directly drive your business's success.
  • Use the suggested metric lists as a starting point, then adapt them as you learn what moves your business.
“Try to narrow in on the two or three metrics that most directly drive your business’s success.”Lenny Rachitsky · Lenny’s Newsletter

02Frameworks mentioned

Summary and takeaways written by PM Atlas; quotes are short excerpts. © the original author.