What Is a North Star Metric? Definition, Examples, and How to Choose Yours
A North Star Metric (NSM) is the single measure that best captures the core value your product delivers to customers. It's the one number your whole team aligns around — when it goes up, customers are getting more of what they came for, and sustainable growth follows.
If you only track one thing, track the metric that means users are succeeding, not just signing up.
What makes a good North Star Metric
A strong NSM has three properties:
- It reflects customer value — not vanity. "Registered users" is vanity; "weekly active teams collaborating" is value.
- It predicts revenue — value delivered today should lead money tomorrow.
- The team can influence it — it moves when you ship the right things.
North Star Metric examples
| Company | North Star Metric | Why it works |
|---|---|---|
| Spotify | Time spent listening | Captures real engagement, predicts retention |
| Airbnb | Nights booked | Ties directly to value + revenue |
| Slack | Messages sent within teams | Signals a team is truly adopting the product |
| Messages sent | Core action = core value | |
| GrowthPilot | Loops actively modeled & monitored | Users getting value from the cockpit |
North Star vs. AAARRR
Your North Star sits above the AAARRR framework. AAARRR breaks the journey into six measurable stages; the North Star is the one outcome those stages should ultimately move. Think of AAARRR as the instruments and the North Star as the destination.
How to choose your North Star Metric in 4 steps
- Define your core value in one sentence: "Customers come to us to ___."
- Find the action that proves they got it (the booking, the message sent, the loop shipped).
- Check it leads revenue — plot it against MRR over time.
- Pair it with a counter-metric so you don't optimize one number at the expense of quality (e.g., engagement and retention).
The most common mistake
Picking a metric that's easy to move but doesn't mean anything — signups, page views, downloads. These can all rise while the business quietly dies. A North Star you can game is worse than no North Star at all.
FAQ
What is a North Star Metric? The single metric that best represents the value your product delivers to customers and predicts long-term, sustainable growth.
Can a company have more than one North Star Metric? Ideally one, to keep the team aligned. Larger companies sometimes set one per product line, but each team should still have a single focus.
What is the difference between a North Star Metric and a KPI? A North Star is your one overarching value metric; KPIs are the many supporting indicators that feed it.
How is the North Star Metric related to growth loops? Growth loops are the engines that move your North Star — each loop should measurably push that one number.
Define your North Star and watch every AAARRR stage feed it on one screen with GrowthPilot.