€2.99 or €3.49? Proton VPN's Pricing Test Exposed

cross-posted from: https://lemmy.world/post/50434194 [https://lemmy.world/post/50434194] > Proton VPN’s pricing page exposed an ab-test identifier linked to two VPN Plus prices: €2.99/month (70% off) and €3.49/month (65% off). > Repeated testing produced B → A → B → A → B, with the variant matching the rendered price each time. > €12 difference over 24 months.