How can you assess product value—especially for early-stage products? Or, more commonly, for individual features within a broader product?

— Do they deliver real value to users?
— Do they lay the groundwork for future growth?

There’s no single answer, but there are several well-known frameworks that can help you make an informed judgement. We’ve selected four of the most popular ones and turned them into a cheat sheet you can print on a single A4 page, pin next to your desk, save for future reference, or share with your team.