AARRR Pirate Metrics
AARRR, known as 'Pirate Metrics' for its memorable acronym, is a growth funnel framework developed by venture capitalist and entrepreneur Dave McClure, presented in a 2007 talk at 500 Startups. It maps the customer lifecycle into five sequential stages: Acquisition (how do users find you?), Activation (do users have a great first experience?), Retention (do users come back?), Referral (do users tell others?), and Revenue (do users pay you?). The framework's central insight is that most startups — and many growth teams within larger organisations — focus disproportionately on Acquisition while neglecting the downstream stages that determine whether acquired users actually generate value. A leaky funnel at Activation or Retention makes additional Acquisition spend wasteful. AARRR provides a shared language for growth discussions, a diagnostic structure for identifying the highest-leverage stage to improve, and a framework for organising experiments. In a workshop context, AARRR is used to audit the current state of each funnel stage, identify the 'biggest leak' in the funnel, and prioritise growth experiments accordingly. It is particularly powerful as a team alignment tool: different functions (marketing, product, customer success, sales) often optimise their own slice in isolation. AARRR surfaces the system-level view and reveals where cross-functional leverage points exist.
Copione di facilitazione
- 1
Draw the five funnel bands — Acquisition, Activation, Retention, Referral, Revenue — and pin a one-line definition of each stage for this specific product, agreed in prep. Frame the session: 'We are hunting the single biggest leak in this funnel, not fixing all five stages today.'
10 min - 2
Populate each stage with the prepared data: channel volumes and costs for Acquisition, the activation event and its completion rate, 30- and 90-day retention, NPS or referral rate, and conversion-to-paid, ARPU, and LTV for Revenue. Where a number is genuinely unknown, write 'not tracked' — that is a finding, not a gap to paper over.
20 min - 3
Calculate the stage-to-stage conversion rates together and write them between the bands. Ask the room: 'Where does the most volume disappear?' Mark the biggest leak visibly — this stage is the focus for the rest of the session.
15 min - 4
Root-cause the weakest stage. Ask: 'Why do users fail to progress here? What do we actually know from user research, support tickets, and session recordings — and what are we assuming?' Split the board into evidence and assumptions; assumptions become research tasks, not experiment inputs.
15 min - 5
Brainstorm experiments for the priority stage only — silent writing first, one idea per sticky note, then cluster. Score the candidates with ICE (impact, confidence, ease) and shortlist the top 3–5.
20 min - 6
Run the funnel maths: 'If we improve this stage's conversion by 20%, what happens to Revenue downstream?' Work it through with real numbers on a spreadsheet or calculator — this is the business case that beats 'just buy more traffic' in the next budget discussion.
10 min - 7
Assign one owner per shortlisted experiment, agree the timebox for first results, and set the date to re-run the funnel review. Photograph the board and share it as the team's current growth model.
5 min
Suggerimenti
AARRR is a diagnostic tool, not a strategy in itself. The value is identifying where to focus, not declaring victory because you've filled in all five stages.
Activation is the most underinvested stage in most products. The first-use experience is where most value is lost — even small improvements here compound through the entire funnel.
Retention is the most important long-term lever. High churn makes everything else expensive. If retention is below your benchmark, no acquisition strategy will create a sustainable business.
Referral is often missing from metrics tracking entirely. Start measuring NPS or product referral loops before optimising for them.
The order of AARRR is not the order of priority. Retention usually deserves first attention, then Activation, then Revenue, then Referral, and only last, Acquisition.
Errori comuni
Letting the group spend half the session debating what counts as 'activated' — fix the stage definitions with the product owner before the workshop and present them as a starting point to amend, not a blank to fill
Trying to improve all five stages at once — the whole point of the funnel view is to concentrate effort on the biggest leak, and five parallel workstreams means none gets real traction
Running the session without real numbers, so the funnel fills with estimates that quietly harden into facts nobody remembers were guesses
Skipping the funnel maths at the end — without the downstream revenue model, the case for fixing retention loses to acquisition spend the moment budget season starts
Variazioni
Dave McClure later updated the framework to AAARRR (adding a second A for Awareness before Acquisition) for businesses where brand matters. For B2B SaaS, add a 'Expansion Revenue' stage after Revenue to capture upsell and cross-sell dynamics. For consumer apps, split Activation into 'Aha Moment' (first value realisation) and 'Habit Formation' (repeated behaviour).
Casi d'uso
Quando usarlo
A growth or marketing team keeps increasing acquisition spend while activation and retention numbers quietly leak away the users being bought
Marketing, product, customer success, and sales each optimise their own slice of the funnel in isolation and nobody owns the system-level view
A new growth lead or CPO needs to understand the business model fast — one session with real numbers beats weeks of scattered dashboard archaeology
Quarterly planning needs a defensible answer to 'which growth experiments do we run next' instead of a wishlist ranked by whoever argued loudest
Quando non usarlo
The product has not launched or has too few users to measure — there is nothing to put in the funnel yet; work on Value Proposition Canvas or Jobs-to-be-Done until real usage data exists
Your analytics cannot answer stage-level questions like activation rate or 90-day retention — the session becomes collective guessing; run an instrumentation audit first and reconvene with numbers
The team needs one guiding metric rather than a funnel audit — a North Star Metric workshop answers 'what do we optimise for' where AARRR answers 'where is the leak'
The business runs on a handful of long-cycle enterprise deals — conversion percentages mislead at low volume; account-based pipeline reviews serve B2B enterprise sales better than a consumer-style funnel
Metodi correlati
Domande frequenti
How long does an AARRR pirate metrics workshop take?▾
Plan 60–120 minutes, with 90 as a comfortable default: about half the time goes to populating the funnel and finding the leak, half to diagnosing the weakest stage and prioritising experiments. If the data has to be hunted down during the session, it will not fit — gather the numbers beforehand.
Who should attend an AARRR funnel workshop?▾
It works with 3–20 people and is most valuable cross-functionally: marketing owns Acquisition data, product owns Activation and Retention, customer success sees Referral signals, and finance or sales holds Revenue numbers. A single-function group will optimise its own slice, which is exactly the failure mode the framework exists to expose.
Can you run an AARRR workshop remotely?▾
Yes, and it adapts well: build the five-stage funnel as a shared whiteboard template, pre-fill the metrics before the call, and use silent sticky-note writing for the experiment brainstorm. Keep a spreadsheet on screen share for the funnel maths so the impact modelling stays concrete.
What is the difference between AARRR and a North Star Metric?▾
AARRR is a diagnostic that maps the whole customer lifecycle and shows where volume leaks between stages; a North Star Metric distils growth into one number the entire company optimises. They complement each other — many teams use an AARRR audit to decide which stage their North Star should live in.
What data do you need to prepare for an AARRR workshop?▾
Bring current numbers for each stage: acquisition channel volumes and costs, the activation event completion rate, 30- and 90-day retention, NPS or referral rate, and free-to-paid conversion, ARPU, and LTV. Missing numbers are fine to admit in the session — 'not tracked' is itself a diagnostic result — but do the collection work before the workshop, not during it.
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Prova gratisMethod descriptions on Workshop Weaver are original content written by our team, based on established facilitation practices. This method was inspired by work from Dave McClure — 500 Startups.