Klaviyo Review
Shopify store owners serious about email and SMS marketing
Last updated 2026-04-01
Our verdict
The gold standard for Shopify email marketing. The AI features are a nice bonus, but the real value is in the data-driven segmentation.
What is Klaviyo?
Klaviyo is the dominant email and SMS marketing platform for Shopify stores. Its deep Shopify integration means it pulls in order data, browsing behaviour, and customer profiles automatically, giving you segmentation capabilities that generic email tools cannot match. The AI features handle subject line generation, send-time optimisation, and predictive analytics.
Key features
The Shopify integration is the core value proposition. Klaviyo automatically syncs customer data, purchase history, and on-site behaviour. You can build segments like 'customers who bought product X but not Y in the last 90 days' without touching a spreadsheet. The AI subject line generator consistently outperforms human-written alternatives in A/B tests. Predictive analytics forecast customer lifetime value and churn risk.
How it performs
In practice, Klaviyo delivers measurable revenue uplift when properly set up. The welcome sequence, abandoned cart, and post-purchase flows drive the most value. The learning curve is steeper than simpler tools like Mailchimp, but the segmentation power justifies the investment. The main downside is cost. Pricing scales with your contact list, and it gets expensive quickly once you pass 1,000 subscribers.
Who should use Klaviyo?
If you run a Shopify store and email is a meaningful revenue channel, Klaviyo is the right choice. The free tier covers up to 250 contacts, so you can test it properly before committing. For Amazon-only sellers, Klaviyo offers limited value since you cannot email Amazon customers directly. Pair it with a tool like Jasper if you want AI-generated email copy beyond what Klaviyo's built-in features provide.
Pricing
Starter
Free
Pro
$45/mo
Free trial available
Score breakdown
Pros
Cons
Supported platforms
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