Pick the question you're trying to answer.
Who's the real customer, and is the demand there?
Define who your best-fit customers actually are, and test whether real demand exists at the scale you're betting on.
Ideal Customer Diagnostic
Market Viability Diagnostic
Do we have PMF, where do we stand vs. alternatives, and does our message land?
Three diagnostics for read-the-room moments — PMF tells you whether users would miss you if you disappeared, Competitive Position shows where you sit against alternatives, Positioning & Messaging tests whether your value prop actually lands.
Product-Market Fit
Competitive Position
Positioning & Messaging
What's the right channel, and what's the right price?
Channel Effectiveness shows where your customers actually discover and decide. Pricing Model tests willingness to pay and packaging preferences.
Channel Effectiveness
Pricing Model
For specific situations
Each diagnostic is independent. Run them in parallel as different questions come up.