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Klaviyo Review
The e-commerce email platform built for revenue
Last reviewed: 2026-03-21 · By GBBR Editorial Team
Our Top Pick · Gold Tier
Klaviyo
Free plan available
The Bottom Line
Klaviyo is the best email and SMS marketing platform available for e-commerce brands, period. It earned a Gold tier rating because no other platform matches its native Shopify integration, revenue attribution accuracy, or e-commerce-specific automation flows like abandoned cart, browse abandonment, and winback sequences. If you sell physical or digital products online and want to know exactly how much revenue every email generates, Klaviyo is the answer.
What is Klaviyo?
Founded in 2012 and headquartered in Boston, MA, Klaviyo went public in 2023 and now serves over 130,000 brands worldwide. It was purpose-built for direct-to-consumer and e-commerce businesses, with Shopify integration so deep that Shopify itself invested in and distributes the platform. Klaviyo is the dominant choice for DTC brands across all major e-commerce platforms.
What does Klaviyo offer?
Klaviyo offers a free plan for up to 250 contacts with 500 sends per month. Paid email plans start at $45/month scaling with contact count, and Email + SMS bundles start at $60/month. Every plan includes the full automation builder, revenue attribution dashboard, predictive analytics, and native integrations with Shopify, BigCommerce, and WooCommerce. Pre-built e-commerce flows (abandoned cart, winback, post-purchase) are included on all plans.
Free
$0
/month
$45
/month
Email + SMS
$60
/month
Is Klaviyo worth the price?
Free up to 250 contacts, then $45/mo — scales with list size but delivers measurable ROI
Klaviyo's revenue attribution pays for itself — most brands report 20-40x ROI on automated flows, making it one of the highest-ROI tools in e-commerce
Strong valueHow we scored it
Overall score: 91/100
Industry-leading deliverability with dedicated IP pools on higher volume plans
Best-in-class e-commerce flows: abandoned cart, browse abandonment, winback, VIP, and post-purchase sequences all pre-built
Steeper curve than Mailchimp but pre-built e-commerce flows reduce setup time significantly
Shopify-native, BigCommerce, WooCommerce, Recharge, Gorgias — the complete e-commerce stack
Higher cost per contact than Mailchimp, but revenue attribution consistently shows 20-40x ROI
Email and chat support on all paid plans; dedicated customer success on higher tiers
Why Klaviyo is Gold Tier
Klaviyo earns Gold because it is the undisputed category leader for e-commerce email marketing. Its Shopify-native integration, real-time purchase data sync, predictive CLV analytics, and best-in-class segmentation capabilities are unmatched at any price point. G2 and Capterra ratings both above 4.6 across nearly 10,000 reviews confirm widespread user satisfaction. SOC 2 Type II certified, GDPR compliant, and CAN-SPAM compliant — the compliance box is fully checked.
Pros & Cons
Pros
- ✓Best-in-class e-commerce integrations (Shopify native)
- ✓Revenue attribution shows exact ROI per campaign
- ✓Predictive analytics for customer lifetime value
- ✓Powerful pre-built e-commerce flows (abandoned cart, winback)
- ✓SMS included in higher tiers
Cons
- ✗Overkill and expensive for non-e-commerce businesses
- ✗Steep learning curve for beginners
- ✗Pricing scales quickly with list size
- ✗Limited landing page builder compared to competitors
Ready to try Klaviyo? Free plan available — no credit card required.
Get Klaviyo →Klaviyo earns Gold because it is the undisputed category leader for e-commerce email marketing. Its Shopify-native integration, real-time purchase data sync, predictive CLV analytics, and best-in-class segmentation capabilities are unmatched at any price point. G2 and Capterra ratings both above 4.6 across nearly 10,000 reviews confirm widespread user satisfaction. SOC 2 Type II certified, GDPR compliant, and CAN-SPAM compliant — the compliance box is fully checked.
Get Klaviyo →Free tier available — no credit card required
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