Six dimensions, one verdict.
Every hook is graded on six weighted dimensions: curiosity gap, specificity, emotional trigger, pattern interrupt, clarity, and relatability. You get one score and one clear verdict.
“I tried 7 retinols. Only one made it through customs.”
A Repeatable System for Openers.
Hook Lab makes your opening lines measurable. You score, generate, and save what works.
Score before you post.
Drop in any opener. You get a 0 to 100 hook score in seconds. It grades six dimensions: curiosity gap, specificity, emotional trigger, pattern interrupt, clarity, and relatability.
6-dimension rubricGenerate hooks in your voice.
Need more options? The generator writes new hooks from your highest-scoring past openers. Every variant gets its own score. You ship the strongest one.
Brand-voice variantsBuild a pattern library.
You save winning hooks to a library, tagged by structure and platform. Hook Lab surfaces those patterns the next time you write. Your openers build on past wins.
Reusable patterns