Klaviyo vs Customer.io
Marketing Automation pricing comparison · 2026
Klaviyo pricing ranges from $0–$150/month, while Customer.io ranges from $0–$1000/month. Klaviyo is typically 92% more affordable, though your actual cost depends on tier and team size.
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Klaviyo and Customer.io both operate in the marketing automation category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | Klaviyo | Customer.io |
|---|---|---|
| Free | Free /month | Free /month |
| $20 /month | $100 /month | |
| Email + SMS | $35 /month | $1K /month |
| Enterprise | Custom | Custom |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Klaviyo
5 scenarios$60/month ($720/year)
Small Shopify Store (2,500 Contacts)
Email plan at 2,500 contact tier with 25,000 monthly sends included
$435/month ($5,220/year)
Mid-Size E-commerce Brand (25,000 Contacts)
Email + SMS plan at 25,000 contact tier with 250,000 email sends and 28,125 SMS credits monthly
$20
Small E-commerce Store (1,000 contacts, 5,000 emails/month)
$35/month ($240-$420 annually) on Email or Email + SMS plan
Customer.io
2 scenarios$145/month
Growing SaaS (10,000 Profiles)
Essentials base $100/month + $45 for 5,000 additional profiles at $0.009 each
$1,000
E-commerce App (50,000 Profiles)
+/month - Premium tier with custom volume for 50,000 profiles across multiple object types, plus SMS costs
Market Intelligence
Klaviyo
- Median annual cost
- $1,188
- Based on
- 88 deals
Customer.io
- Median annual cost
- $6,500
- Based on
- 14 deals