Product-market fit.
aka PMF, market pull
The moment people want the thing badly enough that you stop having to push it.
What it actually means
Product-market fit is the point where a product solves a real problem for a specific group of people so well that they keep using it, pay for it and tell others, and growth starts to come from demand rather than from the team pushing.
Before fit, every customer is hard-won: cold emails, discounts, founder charm. After fit, the signals flip. Usage climbs without a campaign. Users complain loudly when it breaks, which sounds bad and is actually the best sign there is. Sales calls shorten because people already know what the product is.
It is not a switch, it is a dial, and it is specific: fit with one customer segment, for one use case, at one price. A product can have strong fit with freelancers and none with enterprise. The dangerous part is faking it: paid growth can look like fit for about two quarters, then the money stops and the users leave with it.
Where you'll hear it
Retention is flat at 40% after month three, and half your new users come from referrals. That looks like fit to me. What happens if you stop the ads for a month?
Translation: the numbers suggest people genuinely want this. The question tests whether the growth is real or rented.
Founders use it as a milestone (“we’re pre-PMF”), investors as a filter, and product teams as a reason to stop building features and start scaling. The survey version: ask users how they would feel if the product disappeared; if more than about 40% say “very disappointed”, you are probably there.
The pop-culture version
The label did not push it. No billboard, no playlist deal. People just started using it: in videos, at parties, in their own covers. It spread because listeners wanted it and did the marketing themselves.
That is product-market fit. Before it, the label spends money to get a song in front of people. After it, the song pulls people in and the label’s job changes to keeping up with demand: more shows, more merch, a tour.
Most songs never get there, and no amount of promotion can fake it for long. You can buy plays. You cannot buy someone humming it in the shower.
The same logic applies to a payroll app or a logistics platform. If customers would be upset to lose it, you have fit. If they would shrug and switch, the marketing budget is doing the work the product should be doing.
Say it like you mean it
“We have fit with mid-size agencies: 45% of new accounts come from referrals and month-six retention is 70%.”
Names the segment and the evidence. Fit is always with someone, measured by something.“We’ve achieved product-market fit; we have 10,000 sign-ups.”
Sign-ups measure curiosity. Fit is measured by retention, referrals and willingness to pay.Why it matters beyond the pitch: scaling before fit burns money on acquiring customers who leave. Scaling after fit is pouring fuel on a fire that is already lit. Most start-up failures are the first thing dressed up as the second.
The full guide: how to find a segment, test for pull, measure retention and know when to shift from searching to scaling.
Decoded next
Decoded by the Kurums editorial team. Kurums Decoded translates the language of business for people who are new to it. Definitions are kept short on purpose; the serious version above goes deep. Nothing here is financial, legal or career advice.
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