Nudgify is described as 'Social Proof and Sales Pop app. It works with e-Commerce platforms (Shopify, WooCommerce, Magento, PrestaShop Wix), SaaS & more. More than a simple Social Proof app (cf. ProveSource, CartKit, Proof Pulse), it goes beyond Social Proof'. There are more than 25 alternatives to Nudgify for a variety of platforms, including Online / Web-based, SaaS, Shopify, Wordpress and Self-Hosted solutions. The best alternative is NotificationX, which is both free and Open Source. Other great apps like Nudgify are ProveSource (Paid), ProofGain (Freemium), SocialProve (Paid) and Sidepop (Paid).
SocialProve uses social proof notifications to increase website conversion rates by +15% in average. When people visit your website, they will see small tiny popups showing other people also using your website. They feel more likely to use your website.