Klaviyo vs Constant Contact

Side-by-side from the Top 11 rankings of The 11 Best Marketing Automation Software (2026) and The 11 Best Email Marketing Software. Last verified June 7, 2026.

The short answer

Klaviyo ranks higher on Top 11 (#3 vs #6) for Marketing managers choosing marketing automation platforms (HubSpot vs Marketo vs ActiveCampaign vs Klaviyo) / Small business owners and marketers choosing email marketing tools (Mailchimp alternatives). The gold standard for e-commerce, with deep data integration and powerful segmentation for online stores.

At a glance

KlaviyoConstant Contact
Top 11 rank#3 / The 11 Best Marketing Automation Software (2026)#6 / The 11 Best Email Marketing Software
Score (out of 9.4)8.98.1
Best forE-commerce & DTC brandsBeginners & event marketing
Pricing$$ ($60 to $1,955/mo)$$ ($12 to $335+/mo)
HQBoston, USAWaltham, USA
Founded20121995

Klaviyo

The gold standard for e-commerce, with deep data integration and powerful segmentation for online stores.

www.klaviyo.com

See full entry in The 11 Best Marketing Automation Software (2026)

Constant Contact

A reliable and easy-to-use choice for beginners, with strong deliverability and event marketing features.

www.constantcontact.com

See full entry in The 11 Best Email Marketing Software

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.