PostHog tests 7-day free trial versus immediate payment in a live pricing experiment

fekdaoui · x · 2026-07-28

PostHog runs a pricing A/B test: 7-day free trial vs. straight to paid

The poster says this is the first time they’ve run a proper pricing experiment. The setup compares two onboarding flows:

The screenshot shows the experiment in PostHog’s feature-flag and metrics UI. The hypothesis is that a card-required 7-day trial can increase successful checkout completion after a demo, without lowering paid conversion quality.

The image also shows the experiment is running with 21 total exposures so far:

The post frames the change as a way to understand how the product is actually used, instead of guessing from incomplete data.

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