Klaviyo

What is Klaviyo?

Klaviyo is the email and SMS marketing platform trusted by 150,000+ e-commerce brands, from startups to 8-figure operations. It’s the default recommendation because nothing else matches its depth of Shopify integration.

If Shopify is your store, Klaviyo is your marketing brain.

Why Klaviyo Dominates E-commerce Email

The secret is data. Klaviyo syncs every Shopify event in real time — purchases, page views, product views, cart adds, refunds — and makes it instantly segmentable and actionable.

You can send an email to “customers who bought Product X in the last 60 days but haven’t bought Product Y” in about 30 seconds.

AI Features in Klaviyo

Klaviyo has embedded AI throughout the platform:

• Subject line AI — generates and tests subject line variants automatically
• Send time optimization — sends each email when that specific subscriber is most likely to open
• Predictive analytics — predicts next purchase date, lifetime value, and churn risk per customer
• Segment suggestions — AI recommends high-value segments based on your data patterns
• AI-generated content — draft email body copy from a brief

Essential Flows for Shopify Stores

These automated flows run forever without touching them:

1. Welcome series — new subscriber nurture sequence
2. Abandoned cart — 3-email sequence recovering lost sales
3. Browse abandonment — catches window shoppers
4. Post-purchase — review request + cross-sell
5. Win-back — re-engage lapsed customers
6. VIP — reward and retain top spenders

Most stores recover 15–30% of abandoned carts with a well-configured Klaviyo flow.

Pricing

Contacts	Email only	Email + SMS
0–250	Free	—
1,000	$30/mo	$45/mo
5,000	$100/mo	$125/mo
25,000	$400/mo	$445/mo

Verdict

Klaviyo is the closest thing to a “must have” in this list. Even a basic abandoned cart flow pays for the subscription within the first month. Start for free and upgrade as your list grows.