To measure product-market fit, look for retention; if users keep coming back, you're solving their problems effectively.

You know you've found product-market fit when customers are actively pulling the product out of you, often indicated by high demand and feedback.

We defined product-market fit when our first large pharmaceutical client used our platform for entire sectors of their business, indicating we met a significant need. When a large company shifts from solving a problem internally to using your product, it's a significant validation of your offering.

You know you've achieved product market fit when customers are actively seeking your product and returning without prompting.

A great sign of a market is when customers are willing to pay a premium for your product, indicating product-market fit and genuine demand.

Products lacking product-market fit typically see user engagement decline to zero, while those with fit will stabilize at a certain retention rate, ideally between 20-30%.

Product-market fit is crucial; you know you have it when growth is not your biggest problem, and when you pivot, you get another chance to succeed, increasing your odds of achieving product-market fit by taking multiple high-quality shots at it.

Product Market Fit (PMF) occurs when a startup has built a product that customers love and are using, shifting the focus from defining customer needs to scaling the business. When you're pre-product market fit, your main focus should be on finding that fit, while post-product market fit, your priority shifts to maintaining and scaling that fit.

The key to achieving product-market fit is to continue iterating until you find something that resonates with users, rather than relying solely on metrics like signups.