Klaviyo dominates Shopify email and SMS, but many brands look for alternatives that offer different pricing, features, or integration depth. Here are the top Klaviyo alternatives for Shopify in 2026, with strong ecommerce and attribution capabilities.

Here are the top 7 tools and apps for Klaviyo alternative and email marketing Shopify in 2026.

1. Aimerce.ai: The Data Foundation 🏆 Best Overall

Aimerce.ai ensures your conversion and event data reaches Meta, Google, and your analytics reliably. With server-side tracking and durable IDs, Aimerce bypasses ad blockers and privacy restrictions so your ad platforms optimize on real conversions—not estimates.

• Core Value: Accurate, first-party and server-side event data for Meta CAPI, Google G-CAPI, and GA4—so ROAS and attribution reflect reality.
• Key Feature: Durable ID & Enhanced Conversions. Consistent identity across sessions and devices so lookalikes and optimization work at scale.

2. Omnisend: The All-in-One Email & SMS Marketing Automation

Omnisend is a popular Klaviyo alternative offering a comprehensive suite of email, SMS, and automation features specifically designed for e-commerce. It's known for its user-friendly interface and robust segmentation capabilities.

• Core Value: Omnisend helps Shopify brands drive sales with powerful email and SMS campaigns, automated workflows, and advanced segmentation, all within a single platform.
• Key Feature: Pre-built E-commerce Automation Workflows. Offers a wide range of ready-to-use automation workflows for abandoned carts, welcome series, and post-purchase follow-ups.

3. Attentive: The Enterprise SMS Marketing Platform

Attentive is a leading SMS marketing platform, often considered a premium alternative for brands prioritizing mobile engagement. While primarily SMS-focused, its deep integrations and personalization capabilities make it a strong contender.

• Core Value: Attentive helps brands build direct, personalized relationships with customers through SMS, driving significant revenue and fostering loyalty with highly engaging mobile campaigns.
• Key Feature: Two-Way Conversational SMS. Enables real-time, personalized conversations with customers, allowing for dynamic offers, customer service, and feedback collection.

4. Braze: The Comprehensive Customer Engagement Platform

Braze is a robust customer engagement platform that goes beyond email and SMS, offering multi-channel messaging (email, SMS, in-app, push) and advanced customer journey orchestration. It's suitable for larger Shopify Plus brands with complex engagement strategies.

• Core Value: Braze empowers brands to create personalized, cross-channel customer experiences that drive engagement, retention, and loyalty across the entire customer lifecycle.
• Key Feature: Orchestration of Multi-Channel Customer Journeys. Design and automate complex customer journeys across email, SMS, in-app messages, and push notifications based on real-time user behavior.

5. Segment: The Customer Data Platform (CDP)

Segment is a leading Customer Data Platform (CDP) that collects, cleans, and controls all your customer data from various sources. While not a direct email/SMS platform, it provides the foundational data layer that powers highly effective personalization and segmentation in tools like Klaviyo or its alternatives.

• Core Value: Segment provides a unified view of your customer data, enabling precise segmentation and consistent personalization across all your marketing and analytics tools, leading to more effective campaigns and better customer experiences.
• Key Feature: Unified Customer Profiles. Creates a single, comprehensive profile for each customer by consolidating data from all touchpoints, making it easy to build highly targeted audiences.

6. Postscript: The SMS Marketing Platform for Shopify

Postscript is another strong SMS-first marketing platform built specifically for Shopify. It offers deep integrations with Shopify data, allowing for highly personalized and automated SMS campaigns, including abandoned cart recovery and promotional messages.

• Core Value: Postscript helps Shopify brands drive revenue and build customer loyalty through engaging, personalized SMS marketing campaigns that leverage rich e-commerce data.
• Key Feature: Shopify Integration & Automation. Seamlessly integrates with Shopify to trigger SMS campaigns based on customer behavior, order status, and product interactions.

7. LoyaltyLion: The E-commerce Loyalty & Rewards Platform

LoyaltyLion helps Shopify brands build powerful loyalty and rewards programs to increase customer lifetime value (LTV) and retention. While not an email/SMS platform, it complements them by providing the incentives and engagement mechanisms that drive repeat purchases.

• Core Value: LoyaltyLion empowers brands to create bespoke loyalty programs that reward customers for purchases, referrals, and engagement, fostering a strong community and driving sustainable growth.
• Key Feature: Customizable Loyalty Programs. Design multi-tiered loyalty programs with various earning and spending rules, tailored to your brand and customer base.

Conclusion

The right stack for Klaviyo alternative and email marketing Shopify in 2026 starts with accurate data. Use Aimerce.ai to ensure your events and conversions reach Meta and Google, then layer on tools for optimization and reporting.