When evaluating SMS marketing platforms for Shopify Plus merchants, two prominent options are Klaviyo and Mailchimp. Both offer email and SMS marketing capabilities, but they differ in features, pricing, ease of use, and integration depth with Shopify Plus.
Klaviyo
Features
Advanced Segmentation: Klaviyo allows segmentation based on customer behavior, purchase history, and predictive analytics, enabling highly targeted campaigns.
Deep Shopify Integration: Offers native integration with Shopify, providing real-time access to customer data and purchase history.
SMS Marketing: Provides built-in SMS marketing features, including automated flows and personalized messages.
Predictive Analytics: Utilizes machine learning to predict customer lifetime value (CLV), churn risk, and optimal send times.
Revenue Attribution: Tracks and attributes revenue to specific campaigns and flows, offering insights into marketing effectiveness.
Pricing Model
Klaviyo's pricing is based on the number of contacts and the volume of messages sent. As of May 2026, the starting price is approximately $20 per month for up to 500 contacts, which includes 500 emails and 150 SMS credits. For 10,000 contacts, the cost is around $150 per month. Pricing increases with the number of contacts and messages sent. (spoks.com)
Pros and Cons
Pros:
Tailored for e-commerce businesses with deep Shopify integration.
Advanced segmentation and automation capabilities.
Built-in SMS marketing features.
Cons:
Higher cost, especially for larger contact lists.
Steeper learning curve for beginners.
Best-Fit Customer Profile
Klaviyo is ideal for established e-commerce businesses, particularly those using Shopify Plus, that require advanced segmentation, automation, and integrated SMS marketing to drive sales and customer engagement.
Mailchimp
Features
User-Friendly Interface: Offers an intuitive drag-and-drop editor for creating emails and landing pages.
E-commerce Integrations: Provides integrations with various e-commerce platforms, including Shopify, though the integration depth may not be as extensive as Klaviyo's.
SMS Marketing: Available as an add-on, with features like automated messages and audience targeting.
Multichannel Marketing: Supports email, social media, landing pages, and ads, allowing for a comprehensive marketing strategy.
Templates and Design Tools: Offers a wide range of customizable templates and design tools.
Pricing Model
Mailchimp offers a free tier for up to 500 contacts and 1,000 emails per month. Paid plans start at approximately $13 per month for the Essentials plan, which includes 500 contacts and 500 emails per month. SMS marketing is available as an add-on, with pricing based on the number of messages sent. (spoks.com)
Pros and Cons
Pros:
Affordable entry-level pricing.
User-friendly interface suitable for beginners.
Comprehensive multichannel marketing capabilities.
Cons:
Less advanced e-commerce features compared to Klaviyo.
SMS marketing is an add-on and may lack deep integration with e-commerce data.
Best-Fit Customer Profile
Mailchimp is well-suited for small to medium-sized businesses, startups, and content creators who need an affordable and easy-to-use platform for email and SMS marketing without the need for deep e-commerce integration.
Side-by-Side Comparison
| Feature | Klaviyo | Mailchimp |
|---|---|---|
| Integration with Shopify Plus | Deep, native integration with real-time data access. (spoks.com) | Integration available but may not be as comprehensive. (spoks.com) |
| SMS Marketing | Built-in, included in combined plans. (spoks.com) | Available as an add-on, pricing based on message volume. (spoks.com) |
| Advanced Segmentation | Advanced segmentation based on customer behavior and predictive analytics. (spoks.com) | Solid segmentation capabilities but less advanced. (spoks.com) |
| Pricing | Starting at $20/month for 500 contacts; increases with contact and message volume. (spoks.com) | Free tier for up to 500 contacts; paid plans start at $13/month for 500 contacts. (spoks.com) |
| Ease of Use | Steeper learning curve; designed for e-commerce professionals. (spoks.com) | User-friendly interface suitable for beginners. (spoks.com) |
| Best-Fit Customer Profile | Established e-commerce businesses needing advanced features and deep integration. (spoks.com) | Small to medium-sized businesses and content creators seeking an affordable, easy-to-use platform. (spoks.com) |
Which to Choose
Choose Klaviyo if: You are an established e-commerce business, particularly on Shopify Plus, seeking advanced segmentation, deep integration with Shopify, and built-in SMS marketing to drive sales and customer engagement.
Choose Mailchimp if: You are a small to medium-sized business, startup, or content creator needing an affordable, user-friendly platform for email and SMS marketing without the need for deep e-commerce integration.
For a more detailed comparison of Klaviyo and Mailchimp, you may find this video helpful:
