Constant Contact vs Omnisend
Side-by-side from the Top 11 rankings of ActiveCampaign vs ConvertKit vs Brevo: 11 Best Email Marketing Software 2026 and Klaviyo vs Omnisend vs Drip: 11 Best Email Marketing Platforms for Ecommerce 2026. Last verified June 4, 2026.
The short answer
Omnisend ranks higher on Top 11 (#2 vs #6) for Small business owners and marketers choosing email marketing tools (Mailchimp alternatives) / Ecommerce brands running flows and campaigns. Affordable, unified email and SMS for growing stores.
At a glance
| Constant Contact | Omnisend | |
|---|---|---|
| Top 11 rank | #6 / ActiveCampaign vs ConvertKit vs Brevo: 11 Best Email Marketing Software 2026 | #2 / Klaviyo vs Omnisend vs Drip: 11 Best Email Marketing Platforms for Ecommerce 2026 |
| Score (out of 9.4) | 8.1 | 9.2 |
| Best for | Beginners & event marketing | All-in-one email, SMS, push |
| Pricing | $$ ($12 to $335+/mo) | $$ ($100 to $800/mo) |
| HQ | Waltham, USA | London, UK |
| Founded | 1995 | 2014 |
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
Omnisend
Affordable, unified email and SMS for growing stores.
www.omnisend.comSee full entry in Klaviyo vs Omnisend vs Drip: 11 Best Email Marketing Platforms for Ecommerce 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.