Klaviyo dominates for e-commerce brands that live by data; Constant Contact is the friendlier, cheaper pick for small businesses and nonprofits who just need to hit send.
Klaviyo once calculated that abandoned-cart emails sent within the first hour recover roughly 3x more revenue than those sent after 24 hours — so your laziness literally has a price tag.
You run a Shopify or DTC e-commerce store
Klaviyo's deep integration, revenue attribution, and behavioral automation are basically built for this exact use case.
→ Pick KlaviyoYou're a small business, nonprofit, or local service with a simple list
Constant Contact is cheaper, easier to learn, and comes with real human phone support from day one.
→ Pick Constant ContactYou want the best automation without a developer
Klaviyo's flow builder and predictive triggers are miles ahead for sophisticated lifecycle marketing.
→ Pick KlaviyoYou need event marketing or social media tools bundled in
Constant Contact includes event registration and social posting features Klaviyo simply doesn't offer.
→ Pick Constant Contact