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.
Klaviyo
Klaviyo is the leading email and SMS marketing platform built specifically for e-commerce
verified 27d ago
$1.2K
$6.5K
Verdict · Vendr median · year 1
Klaviyo
saves
$5.3K
vs
Customer.io
· 25 seats
Cheapest
$1.2K
Spread
82%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Email + SMS
$11K/yr
year 1 license · $35/seat
Premium
$300K/yr
year 1 license · $1.0K/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$1.2K/yr
Vendr · n=88
Median annual
$6.5K/yr
Vendr · n=14
REF · 01
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources
18 sourced facts
12 hidden-cost · 3 contract · Vendr median · 2 review platforms
Last verified
3w ago
Confidence
High confidence
Sources
4 sourced facts
3 hidden-cost · Vendr median
Last verified
3w ago
Confidence
Medium confidence
REF · 02
Plans at a glance
Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.
Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 05
What users say
Aggregated, with sample sizes. We use whichever review platform has data.
User reviews
TrustRadius · Trustpilot · G2
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats).
Median annual cost is from Vendr's deal flow when available — see source badges.
Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
VS
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