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Customer.io vs Mailmodo

Both are in Marketing automation. Here is how their plans, prices and features compare, taken from each vendor's own site.

The main differences

  • Customer.io's cheapest paid plan is $100/mo, against $149/mo for Mailmodo.
  • Fees: Customer.io Starts at, for 5k profiles, Starts at, billed yearly, Custom; talk to sales; Mailmodo For 500 contacts, billed annually, Custom pricing.
 Customer.ioMailmodo
Starting pricefrom $100/mofrom $149/mo
Free planNoNo
Free trialNot stated by the vendorNot stated by the vendor
PlansEssentials ($100/mo); Premium ($1000/mo annual); Enterprise ()Lite ($149/mo annual); Pro ($199/mo annual); Max ()
FeesStarts at, for 5k profiles; Starts at, billed yearly; Custom; talk to salesFor 500 contacts, billed annually; Custom pricing
Best forNot statedNot stated
Key featuresVisual workflow builder; AI Agent with core execution skills; 1 million emails a month on Essentials; Object types (2 on Essentials, 10 on Premium)Active journeys (1, 10 or unlimited by plan); AI email template, campaign, segment and automation builders; A/B testing and send time optimization; Timezone-based scheduling
Checked on2026-10-032026-10-03

Prices change; confirm on the vendor's site before you buy. Full details and sources are on each tool's page.

Customer.io

  • Essentials is billed monthly from $100
  • A full year of Customer.io free for early-stage startups under $10M raised
  • Priced by profiles, with custom volume pricing on higher plans

Trade-offs

  • Premium starts at $1,000 a month billed yearly
  • Essentials covers 5k profiles and email and community support
  • Enterprise is quoted

Visit Customer.ioFull listing

Mailmodo

  • Get started for free with no credit card
  • Annual billing saves 20%
  • AI email tools included on every plan

Trade-offs

  • Lite starts at $149 a month billed annually for 500 contacts
  • Lite allows 1 active journey and 1 team member
  • Max is custom priced

Visit MailmodoFull listing