xi
How it works
Examples
Resources
Pricing
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EN
// FREE TOOL
Score your
hypothesis
in 10 seconds.
Paste it. We tell you if it is testable, what is missing, and rewrite it.
YOUR HYPOTHESIS
If we [change], then [metric] will [direction] from [baseline] to [target] within [time box].
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0 / 2000
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// TRY ONE OF THESE
See how the scorer rates each tier — click to load the text into the field.
Strong
88 / 100
“If we add inline social proof (3 customer logos + 1 testimonial) to the pricing page, then free-to-paid conversion will increase from 3.2% to 4.5% within 30 days for new signups arriving from organic search.”
Specific change, named metric, baseline → target, time box, one audience.
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Okay
35 / 100
“Adding social proof to our pricing page should improve conversion from the free tier to paid.”
Plausible direction, but no numbers and no decision window.
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Weak
8 / 100
“We should make the product better so users like it more.”
Aspirational, not testable. No change, metric, or kill condition.
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