The North Star Metric (NSM) is the single leading indicator that best captures the core value your product delivers to customers and that, when it grows, reliably predicts long-term revenue growth. It sits at the intersection of customer value and business outcomes. Unlike vanity metrics, the North Star Metric is resistant to gaming, meaningful to the product team, and tied to retention.
A project management SaaS evaluates MRR, DAU, and "tasks completed per team per week" as NSM candidates. Cohort analysis shows tasks-completed-per-team-per-week has the strongest correlation with 6-month retention.
Pearson correlation: tasks_per_team_per_week vs 180-day retention rate across 12 monthly cohorts
→ NSM selected: "weekly tasks completed per active team" — set as the primary product and growth metric
The North Star Metric aligns product, engineering, marketing, and customer success around a single output. When every team optimizes for MRR, decisions conflict — marketing wants more trials, product wants more activation, CS wants fewer tickets. When every team optimizes for the same leading indicator of customer value, the decisions naturally align: bring more users to value faster, make that value more frequent, and expand the value to more teammates.
A well-chosen NSM also acts as a filter on roadmap prioritization. For every proposed feature or experiment, the first question becomes: "does this increase our NSM?" If the answer is no or unclear, it requires explicit justification. This prevents the proliferation of features that users requested but that do not drive core usage.
the mrrsucks take
Your North Star Metric is "monthly signups," which means you have accidentally aligned your entire company around feeding the top of a funnel that leaks 85% of users before they see a single piece of value. Technically a strategy, the same way a screen door on a submarine is technically a door.
Start with the action that represents the core value exchange in your product — the moment a customer gets the thing they paid for. Then verify it correlates with 6-month or 12-month retention in your cohort data. If it does, you have your NSM. If multiple candidates correlate, pick the one your team can most directly influence.
Yes, but rarely — no more than once in 18–24 months, and only when the product has fundamentally evolved. Frequent changes signal either poor initial selection or a product strategy that has not found its footing.
Slack: messages sent per active user per week. Notion: pages created per workspace per month. Zoom: meetings hosted per week. Each captures usage depth, not just presence. Notice none of them are revenue — revenue is the consequence of the NSM growing.
related metrics
Vanity Metric
A vanity metric is a data point that makes a business look healthy or impressive but does not correl...
Pirate Metrics (AARRR)
Pirate Metrics, coined by Dave McClure as AARRR, is a five-stage funnel framework for measuring SaaS...
Daily Active Users
Daily Active Users (DAU) is the count of unique users who perform at least one meaningful action in ...
Retention Rate
Retention rate is the percentage of customers (or revenue) that remain active and paying at the end ...
Growth Rate
Growth rate is the percentage change in a metric — most commonly MRR, ARR, or customer count — betwe...
$9. 365 roasts. one public endpoint of pure shame.