Klaviyo vs Constant Contact
Side-by-side from the Top 11 rankings of Klaviyo vs Omnisend vs Drip: 11 Best Email Marketing Platforms for Ecommerce 2026 and ActiveCampaign vs ConvertKit vs Brevo: 11 Best Email Marketing Software 2026. Last verified June 11, 2026.
The short answer
Klaviyo ranks higher on Top 11 (#1 vs #6) for Ecommerce brands running flows and campaigns / Small business owners and marketers choosing email marketing tools (Mailchimp alternatives). Unbeatable Shopify data integration for powerful segmentation.
At a glance
| Klaviyo | Constant Contact | |
|---|---|---|
| Top 11 rank | #1 / Klaviyo vs Omnisend vs Drip: 11 Best Email Marketing Platforms for Ecommerce 2026 | #6 / ActiveCampaign vs ConvertKit vs Brevo: 11 Best Email Marketing Software 2026 |
| Score (out of 9.4) | 9.4 | 8.1 |
| Best for | Shopify power users | Beginners & event marketing |
| Pricing | $$$ ($200 to $1,500+/mo) | $$ ($12 to $335+/mo) |
| HQ | Boston, USA | Waltham, USA |
| Founded | 2012 | 1995 |
Klaviyo
Unbeatable Shopify data integration for powerful segmentation.
www.klaviyo.comSee full entry in Klaviyo vs Omnisend vs Drip: 11 Best Email Marketing Platforms for Ecommerce 2026
Constant Contact
A reliable and easy-to-use choice for beginners, with strong deliverability and event marketing features.
www.constantcontact.comSee full entry in ActiveCampaign vs ConvertKit vs Brevo: 11 Best Email Marketing Software 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.