Diagnostic question · Hooked
Conversion by months since sign-up
Checks whether money is asked before or after habitual use, and how the paying share changes with tenure.
Pay
Plain label: smile graph question
Do you ask for money before or after people use the product regularly? What share of each cohort pays at month 1, 3, 6 and 12?
Limits
What we don’t claim
- The Hook Model is a practical design tool, not a validated or complete theory of behavior.Hooked, Introduction
Sources
Hooked · Nir Eyal
Ch.1
Source IDs: HK-Q116HK-MEA11
Book content is paraphrased, never quoted at length. Last verified October 24, 2026.
Your product
Find the stage your product is stuck in
Gamify It reads your product, picks the one move that matters at its stage, and sizes the test to your traffic. Connecting is free; a Pro subscription starts it.