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Customer.io alternatives · Email Marketing

Free alternatives to Customer.io

Customer.io has no free plan. 30 of the 57 other email marketing and newsletter tools in this directory are free or have a free plan.

Customer.io is a paid product with a free trial, starting at $100 per month for up to 5,000 profiles, billed monthly. 2 of them have no paid plan at all; the rest pair a free plan with paid ones.

30 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

The 12 closest to Customer.io

  1. Brevo

    Email, SMS and WhatsApp marketing priced by emails sent, with a CRM

    What is free: Up to 300 emails a day (campaigns and transactional), 1 marketing seat and transactional email by API and SMTP. No credit card needed.

    • Brevo starts at $9 per month for 5,000 emails and up to 500 contacts, billed monthly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • Brevo has a free plan. Customer.io does not, though it has a free trial.
    • Brevo also covers sales pipeline, forms and live chat.
    • Customer.io also covers business texting.
    Brevo vs Customer.ioBrevo pricing and details

  2. Klaviyo

    Email, text and push marketing built on online-store customer data

    What is free: Up to 250 active profiles and 500 email sends a month, $5 of mobile messages and $5 of Composer usage a month, and email support for the first 60 days.

    • Klaviyo starts at $20 per month for up to 500 active profiles, billed monthly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • Klaviyo has a free plan. Customer.io does not, though it has a free trial.
    • Klaviyo also covers forms and reports.
    • Customer.io also covers business texting.
    Klaviyo vs Customer.ioKlaviyo pricing and details

  3. Loops

    Marketing, product and transactional email for SaaS teams

    What is free: Free: unlimited contacts stored, with 4,000 sends per rolling 30 days to your first 1,000 contacts, and a Loops footer.

    • Loops starts at $49 per month for up to 5,000 subscribed contacts. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • Loops has a free plan. Customer.io does not, though it has a free trial.
    • Loops also covers transactional email.
    • Customer.io also covers business texting.
    Loops vs Customer.ioLoops pricing and details

  4. Sequenzy

    Email and lifecycle messaging for software teams, priced by sends

    What is free: 2,500 emails a month with unlimited contacts and every feature; emails carry a small Sequenzy footer.

    • Sequenzy starts at $19 per month for up to 15,000 emails, billed monthly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • Sequenzy has a free plan. Customer.io does not, though it has a free trial.
    • Sequenzy also covers transactional email and popups.
    • Customer.io also covers business texting.
    Sequenzy vs Customer.ioSequenzy pricing and details

  5. Zoho Campaigns

    Email, SMS and WhatsApp campaigns that tie into Zoho's apps

    What is free: Forever Free plan: up to 2,000 contacts, 6,000 emails a month and 5 users, with templates, generative AI and basic reports. No automation workflows.

    • Zoho Campaigns starts at $3 per month for up to 500 contacts, billed yearly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • Zoho Campaigns has a free plan. Customer.io does not, though it has a free trial.
    • Zoho Campaigns also covers forms.
    Zoho Campaigns pricing and details

  6. Mailchimp

    Email and SMS marketing with automations, priced by contact count

    What is free: 1 seat, 1 audience, up to 250 contacts and 500 sends a month (250 a day), limited templates and email support for the first 30 days.

    • Mailchimp starts at $13 per month for up to 500 contacts, billed monthly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • Mailchimp has a free plan. Customer.io does not, though it has a free trial.
    • Only Mailchimp lists iOS and Android apps.
    • Mailchimp also covers forms and reports.
    Mailchimp pricing and details

  7. MailerLite

    Email newsletters, automations, sites and paid subscriptions

    What is free: Up to 250 subscribers, 2,500 emails a month, 2 seats, automations, 1 website, 1 landing page and 3 forms. No sending through the API.

    • MailerLite starts at $12 per month for up to 500 subscribers, billed monthly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • MailerLite has a free plan. Customer.io does not, though it has a free trial.
    • Only MailerLite lists an iOS app.
    • MailerLite also covers forms and paid newsletters.
    MailerLite pricing and details

  8. GetResponse

    Email marketing with automation, webinars, courses and landing pages

    What is free: Free account: up to 500 contacts and 2,500 emails a month with a GetResponse badge, landing pages capped at 1,000 visits a month. No scheduling or autoresponders.

    • GetResponse starts at $19 per month for up to 1,000 contacts, billed monthly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • GetResponse has a free plan. Customer.io does not, though it has a free trial.
    • Only GetResponse lists iOS and Android apps.
    • GetResponse also covers forms, paid newsletters and live chat.
    GetResponse pricing and details

  9. beehiiv

    Newsletter platform with paid subscriptions, ads, website and podcast

    What is free: Up to 2,500 subscribers with unlimited sends, 1 seat, 1 publication, a website, a podcast and 30 days of analytics. No paid subscriptions or automations.

    • beehiiv starts at $49 per month for up to 1,000 subscribers, billed yearly ($59 monthly). Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • beehiiv has a free plan. Customer.io does not, though it has a free trial.
    • beehiiv also covers forms and paid newsletters.
    • Customer.io also covers business texting.
    beehiiv pricing and details

  10. AWeber

    Email marketing for small businesses, with landing pages and a store

    What is free: Up to 500 subscribers and 3,000 emails a month, with 1 landing page and 1 automation. No time limit or card, but emails carry AWeber branding.

    • AWeber starts at $12.50 per month for up to 500 subscribers, billed annually. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • AWeber has a free plan. Customer.io does not, though it has a free trial.
    • AWeber also covers forms.
    • Customer.io also covers business texting.
    AWeber pricing and details

  11. Sender

    Email and SMS marketing with a free plan for 2,500 subscribers

    What is free: Free Forever plan: up to 2,500 subscribers and 15,000 emails a month, 1 seat, automation, pop-ups, forms, 10 landing pages and transactional email, with Sender branding.

    • Sender starts at $9 per month for up to 500 subscribers, billed monthly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • Sender has a free plan. Customer.io does not, though it has a free trial.
    • Sender also covers forms.
    Sender pricing and details

  12. SendPulse

    Email campaigns and automation in a wider multichannel suite

    What is free: Up to 500 subscribers and 15,000 emails a month, with the drag-and-drop builder, 140+ templates, sign-up forms, basic automation and open and click stats.

    • SendPulse starts at $9.60 per month for up to 500 subscribers, billed yearly. Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • SendPulse has a free plan. Customer.io does not, though it has a free trial.
    • Only SendPulse lists iOS and Android apps.
    • SendPulse also covers forms.
    SendPulse pricing and details

18 more that are free or have a free plan

All 30 in one table

Common questions

Is there a free alternative to Customer.io?

Yes. Brevo, Klaviyo, Loops, Sequenzy, Zoho Campaigns, Mailchimp, MailerLite, GetResponse and 22 more are free or have a free plan.

Does Customer.io have a free plan?

Customer.io has no free plan. Customer.io is a paid product with a free trial, starting at $100 per month for up to 5,000 profiles, billed monthly.

When was this checked?

Each listing shows its own date. On this page they run from Oct 17, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Customer.io: the alternatives its listing names first, then the tools that share the most features with it.