Klaviyo vs. Mailchimp: Which email marketing app is best for you? [2026]

Pull up the websites for Klaviyo and Mailchimp, and you’ll notice something right away: each brand targets a vastly different audience. Mailchimp plasters its friendly monkey logo everywhere and uses accessible language like clicks, sales, and customer loyalty. Klaviyo’s website is jet black, features Fortune 500 companies like Unilever, and talks about uniform data, agentic commerce, and omnichannel promotions.