Best for: E-commerce businesses looking to increase customer retention and boost repeat sales through email marketing. Retainful is an email marketing automation tool designed to help businesses create campaigns aimed at increasing customer retention. Its USP is its ability to automate retention-focused strategies like abandoned cart emails, loyalty programs, and personalized offers. Ideal for eCommerce businesses, Retainful helps keep customers engaged. Whether you're sending discount reminders or thank-you emails, Retainful boosts customer loyalty and sales.