Customer.io vs Klaviyo: Pricing Comparison 2026
Side-by-side pricing comparison of Customer.io and Klaviyo. See all plans, features, and costs at a glance.
Bottom line: Customer.io starts at $100/mo and Klaviyo starts at Custom pricing. Compare all 12 pricing tiers side by side.
Last updated: August 10, 2026
Klaviyo - Klaviyo offers a free plan, offers 9 tiers vs 3.
Customer.io vs Klaviyo: Quick Pricing Facts
| Feature | Customer.io | Klaviyo |
|---|---|---|
| Starting Price | $100/mo | Custom pricing |
| Number of Plans | 3 | 9 |
| Free Tier | No | Yes |
| Pricing Model | usage-based | usage-based |
| Annual Discount | N/A | N/A |
Customer.io and Klaviyo are both priced at $100/mo, making them equally accessible Email Marketing tools. Together they offer 12 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.
Klaviyo stands out with a free plan for getting started.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Email Marketing needs.
| Pricing Plans |  Customer.io Try free |  Klaviyo Try free |
|---|---|---|
| Tier 1 | Essentials $100/month | Is Klaviyo's free plan really free? $0/monthCheapest |
| Tier 2 | Premium $1000/month | How long can I stay on the free plan? $0/monthCheapest |
| Tier 3 | Enterprise Custom pricing | Who is the Klaviyo free plan best for? $0/monthCheapest |
| Tier 4 | - | Can I use Klaviyo free plan for both email and SMS marketing? $0/monthCheapest |
| Tier 5 | - | What integrations are available on the free plan? $0/monthCheapest |
| Tier 6 | - | What happens when I exceed the free plan limits? $0/monthCheapest |
| Tier 7 | - | Does the free plan include customer support? $0/monthCheapest |
| Tier 8 | - | Is Klaviyo free plan good for ecommerce stores on Shopify, Wix, or WooCommerce? $0/monthCheapest |
| Tier 9 | - | How do I upgrade from Klaviyo free to a paid plan? $0/monthCheapest |
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Frequently Asked Questions: Customer.io vs Klaviyo
How many pricing plans does Customer.io have vs Klaviyo?
Does Customer.io or Klaviyo offer a free plan?
Does Customer.io or Klaviyo offer custom enterprise pricing?
How do Customer.io and Klaviyo compare for Email Marketing?
Sources
- Customer.io Official Pricing- Vendor pricing page
- Klaviyo Official Pricing- Vendor pricing page
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