Vitals vs Klaviyo
Side-by-side from the Top 11 rankings of The 11 Best Shopify Apps for Conversion Rate Optimization (2026) and The 11 Best Email Marketing Platforms for Ecommerce (2026). Last verified May 31, 2026.
The short answer
Klaviyo ranks higher on Top 11 (#1 vs #4) for Shopify merchants improving funnel conversion / Ecommerce brands running flows and campaigns. Unbeatable Shopify data integration for powerful segmentation.
At a glance
| Vitals | Klaviyo | |
|---|---|---|
| Top 11 rank | #4 / The 11 Best Shopify Apps for Conversion Rate Optimization (2026) | #1 / The 11 Best Email Marketing Platforms for Ecommerce (2026) |
| Score (out of 9.4) | 8.7 | 9.4 |
| Best for | All-in-one CRO toolkit | Shopify power users |
| Pricing | $$ ($29.99 to $299.99/mo) | $$$ ($200 to $1,500+/mo) |
| HQ | Bucharest, Romania | Boston, USA |
| Founded | 2017 | 2012 |
Vitals
An all-in-one suite of 40+ conversion apps for a single monthly price.
vitals.co/See full entry in The 11 Best Shopify Apps for Conversion Rate Optimization (2026)
Klaviyo
Unbeatable Shopify data integration for powerful segmentation.
www.klaviyo.comSee full entry in The 11 Best Email Marketing Platforms for Ecommerce (2026)
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.