ConvertKit vs Customer.io Pricing (2026)
Compare / ConvertKit vs Customer.io
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Team size
25 seats

ConvertKit vs Customer.io

Marketing Automation pricing comparison · 2026

ConvertKit pricing ranges from $0–$189/month, while Customer.io ranges from $100–$1000/month. These products use different pricing models ( vs Per-seat subscription), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.

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See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
Visit ConvertKit pricing
Free plan limits → Discount programs →
Affiliate partner — does not affect ranking.
Visit Customer.io pricing
Free plan limits → Discount programs →
Compare
2 products · Marketing Automation
Side-by-side · live
ConvertKit
Kit (formerly ConvertKit) pricing starts at $39/month (monthly billing) or $39/month (annu
verified 8w ago
$1.2K $6.5K
View pricing →
Customer.io
Customer.
verified 7w ago
$1.2K $6.5K
View pricing →
Verdict · Vendr median · year 1
ConvertKit 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.
Pro
$24K/yr
year 1 license · $79/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=142
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 1mo ago
Confidence Medium confidence
Sources 5 sourced facts
4 hidden-cost · Vendr median
Last verified 1mo 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 · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
5 documented
  • Subscriber-Count Scaling Costs
    $119-$300
    3 sources
  • No Automatic Plan Downgrade
    $20-$40/month
    2 sources
  • Mid-Contract Price Increases
    50-200% of license costs
    2 sources
  • No Refund Policy
    $99-$240/year
    2 sources
  • Automation Requires Paid Plan Upgrade
    $39/month
    1 source
3 documented
  • Profile-based billing for inactive users
    15-25% of license costs
    2 sources
  • Continued profile creation after removal
    $500-$2,000
    1 source
  • Cost Prohibitive at Scale for Consumer Apps
    5-15% of license costs
    1 source
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
TrustRadius
8.6out of 5 (6)
Trustpilot
1.3out of 5 (21)
Best for
New creators building their first email list
Watch out
Poor and unresponsive customer support with no phone option
No public ratings yet
Best for
Teams getting started with data-driven messaging
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit ConvertKit pricing
Free plan limits → Discount programs →
Affiliate partner — does not affect ranking.
Visit Customer.io pricing
Free plan limits → Discount programs →
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.
Marketing Automation

ConvertKit

$0–$189
/month
3 plans · Free tier
Full pricing breakdown →
VS
Marketing Automation

Customer.io

$100–$1000
/month
3 plans
Full pricing breakdown →
⚖

Different Pricing Models

Direct price comparison isn't meaningful here — ConvertKit uses pricing while Customer.io uses Per-seat subscription pricing. Your actual cost will depend on usage volume, team size, or both. Here's each product in its native unit.

ConvertKit

$0–$189 / month
See full ConvertKit pricing →
vs
Per-seat subscription

Customer.io

$100–$1000 / month
See full Customer.io pricing →

ConvertKit and Customer.io both operate in the marketing automation category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan ConvertKit Customer.io
Newsletter Free /month $100 /month
Creator $39 /month $1K /month
Pro $79 /month Custom

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

ConvertKit

2 scenarios
$119/month ($1,428/year)
~10,000 Subscriber List on Creator Plan
~$300/month
Larger Newsletter at Scale

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

ConvertKit

Median annual cost
$1,164
Based on
142 deals

Customer.io

Median annual cost
$6,500
Based on
14 deals

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

ConvertKit 6 hidden costs

high
Subscriber-Count Scaling Costs $119-$300
high
No Automatic Plan Downgrade $20-$40/month
critical
Mid-Contract Price Increases 50-200% of license costs
medium
No Refund Policy $99-$240/year
medium
Automation Requires Paid Plan Upgrade $39/month
See all ConvertKit hidden costs →

Customer.io 3 hidden costs

high
Profile-based billing for inactive users 15-25% of license costs
critical
Continued profile creation after removal $500-$2,000
medium
Cost Prohibitive at Scale for Consumer Apps 5-15% of license costs
See all Customer.io hidden costs →

Continue researching

ConvertKit

Customer.io

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