Choosing the right sales pop-up app for your Shopify store can significantly impact your conversion rates and customer engagement. In this thorough comparison, we’ll analyze SP (Sales Pop up & Social Proof) and PopUpy (Sales Pop up & Email), covering crucial aspects like features, ease of integration, pricing, and efficacy in boosting conversions. Whether you're looking to build trust through social proof or harness the power of email pop-ups, this guide will help you determine which app aligns better with your business objectives and enhances your online store’s performance.