Customer.io vs Klaviyo
An independent, side-by-side comparison of two Marketing Automation providers — scores, pricing, company-size fit, and strengths — to help you pick the right one.
Customer.io vs Klaviyo at a glance
Editorial sub-scores are RankedVendors estimates.
| Customer.io | Klaviyo | |
|---|---|---|
| Overall score | 88/100 | 89/100 ✓ |
| Tier | Elite | Elite |
| Capability (editorial) | 87 | 91 ✓ |
| Ease of use (editorial) | 84 | 90 ✓ |
| Value (editorial) | 85 | 87 ✓ |
| Best for | Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Pricing model | Quote-based | Quote-based |
| Headquarters | — | — |
| Founded | — | — |
Verdict
Klaviyo is the higher-ranked of the two on RankedVendors (89/100 vs 88/100), but both are credible Marketing Automation options. Customer.io fits small business, mid-market, enterprise; Klaviyo fits small business, mid-market, enterprise. Match the shortlist to your size and must-have features, and trial before committing.
Where each one stands out
Customer.io
Customer.io automates multi-channel campaigns and lead nurturing.
Best for: Small business, Mid-market, Enterprise
Read Customer.io reviewKlaviyo
Klaviyo automates multi-channel campaigns and lead nurturing.
Best for: Small business, Mid-market, Enterprise
Read Klaviyo reviewCustomer.io vs Klaviyo — FAQ
Is Customer.io better than Klaviyo?
On RankedVendors, Klaviyo scores 89/100 versus Customer.io's 88/100, so Klaviyo ranks higher overall in Marketing Automation. The right choice still depends on your size, budget, and must-have features — see the breakdown above.
What is the difference between Customer.io and Klaviyo?
Customer.io automates multi-channel campaigns and lead nurturing. Klaviyo automates multi-channel campaigns and lead nurturing. Both compete in Marketing Automation; compare their strengths and best-fit company sizes above.
Which is better value, Customer.io or Klaviyo?
Our editorial value scores put Customer.io at 85/100 and Klaviyo at 87/100. Customer.io is Quote-based; Klaviyo is Quote-based. Request quotes from both to compare against your scale.