
A fitness tracking app for running and workouts with a premium membership.
Runtastic swapped the promotional statement on its paywall for a real user review with a 5-star rating and saw paid subscriptions rise 44%. Only the paywall message changed, so social proof likely drove the gain. For an app builder: test real user reviews against your own marketing claims on conversion screens, since one small copy change can lift upgrades a lot.
Paid subscriptions rose 44%
From Runtastic paywall A/B test
A real user review with 5 stars beat promo copy on Runtastic's paywall. Runtastic replaced the promotional statement on its paywall with a real user review shown with a 5-star rating. Paid subscriptions rose 44%.
Only the text block changed, with no change to price or product, so the gain is likely due to the social proof and was easy to attribute. The hypothesis was that social proof would beat the company's own marketing claim, and it was tested directly against the existing promo copy. Paywall messaging looks like a high-leverage place to test before touching pricing or features.

Replacing the promotional statement on its paywall with a real user review and 5-star rating raised paid subscriptions by 44%. Only the paywall message changed, so the gain is likely due to the social proof.
A real user review with 5 stars beat promo copy on Runtastic's paywall. Runtastic replaced the promotional statement on its paywall with a real user review shown with a 5-star rating. Paid subscriptions rose 44%.
Only the text block changed, with no change to price or product, so the gain is likely due to the social proof and was easy to attribute. The hypothesis was that social proof would beat the company's own marketing claim, and it was tested directly against the existing promo copy. Paywall messaging looks like a high-leverage place to test before touching pricing or features.

Health & FitnessA meditation and sleep app with guided sessions and celebrity-narrated Sleep Stories.
Health & FitnessA calorie tracking app that logs meals from photos, grown largely through influencer and UGC videos.
Health & FitnessA meditation and mental wellness app with guided sessions and subscriptions.
Health & FitnessA data tool that combines app analytics into one view and is adding AI agents.
Health & FitnessA strength training app with human coaches, a workout journal and a nutrition feature.
Health & FitnessAn intermittent fasting tracker app that teaches fasting and builds habits toward metabolic health.
Health & FitnessA sleep and energy app that helps people track and pay down their sleep debt.
Health & FitnessA personalized running coach app that builds adaptive training plans around a runner's race goals.