Home / Email & SMS marketing

Best email & sms marketing in 2026, ranked by data

Last verified 2026-07-15

Klaviyo leads this category at 4.7 ★ across 2,996 reviews , followed by Omnisend and Mailchimp. — ranking computed from tracked data; methodology below.

1Klaviyo score 80.6

4.7 ★ (2,996) from free Free tier

Klaviyo is a leading email and sms marketing app for Shopify. Improve your marketing ROI with our templates to deliver personalized email and sms campaigns.

Best for: These reviews suggest the app fits Shopify merchants looking for a robust email marketing tool with strong Shopify syncing and room to grow into segmentation features.

Watch out: Merchants should review pricing carefully as their contact list or business scale grows.

2Omnisend score 80.6

4.7 ★ (2,986) from free Free tier

Omnisend is the Shopify email marketing app for email, SMS & popups, used by 100K+ brands. Create AI campaigns in ChatGPT or Claude via MCP and sell more.

Best for: These reviews suggest the app fits Shopify merchants who want a usable email and SMS marketing platform with guided setup and a lower-friction alternative to more complex competitors.

Watch out: Merchants with urgent setup, DNS, migration, compliance, or SMS verification needs should watch for possible delays or unclear support handoffs.

3Mailchimp score 77.2

4.8 ★ (1,327) from free Free tier

Sync customers, products, and order data to grow customers with Mailchimp automated emails and SMS, retargeting, and customer win back automations.

Best for: These reviews suggest the app fits Shopify merchants who want Mailchimp marketing capabilities and value hands-on support during setup, integration, and troubleshooting.

Watch out: The main caveat is that at least one merchant reports recurring app or integration pain points despite positive support experiences.

4Postscript score 75.8

4.7 ★ (1,123) from free Free tier

With Postscript, drive conversations and conversions across all stages of the customer journey. Whether 1:1 or at scale, Postscript assures your te...

Best for: These reviews suggest the app fits merchants who want a mature Shopify SMS marketing platform with flows, segmentation, campaign tools, and hands-on support, especially if they are comfortable reviewing pricing and contract terms closely.

Watch out: The most common caveat is recurring frustration over unexpected charges, minimum fees, contract renewals, and cancellation or refund disputes.

5Attentive score 70.5

4.7 ★ (112)

Email and SMS personalization at scale. Reaching and engaging customers in a truly personalized way.

Best for: These reviews suggest the app fits Shopify brands that want a managed SMS and email platform with proactive account support and growth-oriented campaign guidance.

Watch out: Merchants should clarify onboarding scope, billing mechanics, and contract exclusivity terms before committing.

6Drip score 61.5

4.2 ★ (56) from $39/mo

Drip email marketing is made for Shopify stores looking to grow revenue with automated emails, newsletters, abandoned cart flows, popups, and more - in one app.

Best for: These reviews suggest the app fits Shopify merchants who want ecommerce-focused email automation with segmentation, guided setup, and responsive support.

Watch out: The main caveat is that a small number of merchants report serious sending or workflow failures, so critical automations should be tested closely before relying on them.

Not ranked (no App Store rating available): Sendlane

Methodology: score = App Store rating × 10 + log₁₀(review count) × 6 + confirmed features × 0.75 + free tier × 3. All inputs are shown on each product's profile page with verification dates. No vendor pays for placement; we currently have no affiliate relationships in this category.