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Alternatives · Email Marketing

Customer.io alternatives

Customer.io compared with 5 alternatives: Encharge, Brevo, Klaviyo, ActiveCampaign and HubSpot.

Customer.io is a paid product with a free trial, starting at $100 per month for up to 5,000 profiles, billed monthly. 3 of the 5 alternatives are free or have a free plan. 2 more offer a free trial.

5 tools · Listings checked up to Oct 17, 2026 · Where the facts come from

At a glance

ToolPriceFree planRuns on
Customer.ioThis toolFree trial · from $100/moTrial onlyWeb
EnchargeFree trialTrial onlyWeb
BrevoFree plan · from $9/moYesWeb
KlaviyoFree plan · from $20/moYesWeb
ActiveCampaignFree trial · from $15/moTrial onlyWeb
HubSpotFree plan · from $20/moYesWeb, iOS, Android, Browser extension

Price against what you get

Customer.io starts at $100 a month and scores 2.7 out of 4 on features, ease of use and platforms. None of the 3 alternatives on this chart both scores higher and starts lower.

Brevo, Klaviyo and ActiveCampaign start lower without scoring higher.

Features, ease of use and platforms, averaged

C2.0B3.0A4.0$2$5$10$20$50$100More for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessCustomer.ioBrevoKlaviyoActiveCampaign

What paid plans start at, a month (each step along is roughly double) →

  • The best score at each price
  • Has a free plan
  • No free plan
The full chart of email marketing and newsletter tools, and the best at every price

How each one differs from Customer.io

  1. Encharge

    Behavior-based email automation for SaaS and subscription businesses

    • Encharge also covers forms.
    • Customer.io also covers business texting.

    Suits: SaaS teams onboarding trial users with behavior-based emails

    Encharge vs Customer.ioEncharge pricing and details

  2. Brevo

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

    • 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.

    Suits: Senders with a large list who email it only now and then

    Brevo vs Customer.ioBrevo pricing and details

  3. Klaviyo

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

    • 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.

    Suits: Online stores, especially on Shopify, that market from order data

    Klaviyo vs Customer.ioKlaviyo pricing and details

  4. ActiveCampaign

    Email marketing and multi-step automation priced by contacts

    • ActiveCampaign starts at $15 per month for up to 1,000 contacts, billed annually ($19 monthly). Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • ActiveCampaign also covers sales pipeline, forms and reports.
    • Customer.io also covers business texting.

    Suits: Businesses that run long automated sequences rather than one-off newsletters

    ActiveCampaign vs Customer.ioActiveCampaign pricing and details

  5. HubSpot

    Free CRM at the center of a marketing, sales and service suite

    • HubSpot starts at $20 per seat / month for Starter (new customers: from $7, billed annually). Customer.io starts at $100 per month for up to 5,000 profiles, billed monthly.
    • HubSpot has a free plan. Customer.io does not, though it has a free trial.
    • Only HubSpot lists iOS and Android apps.
    • Only HubSpot lists a browser extension.
    • HubSpot also covers booking links, sales pipeline and workflow automation.

    Suits: Small teams that want to start on a free CRM and add paid tools later

    HubSpot vs Customer.ioHubSpot pricing and details

Limits worth knowing in Customer.io

  • Usage beyond the plan costs extra: $0.12 per 1,000 emails on every plan, and AI credits at $10 per 100,000 on Essentials and Premium.
  • Every account is reviewed by hand before it can send messages.
  • SMS volume is priced on request on every plan.
  • Chat support, onboarding help and custom roles start with Premium, which is billed yearly from $1,000 a month.
Customer.io pricing and details

Common questions

What are the alternatives to Customer.io?

The alternatives to Customer.io in this directory are Encharge, Brevo, Klaviyo, ActiveCampaign and HubSpot. Each one has a side-by-side comparison with Customer.io.

Is there a free alternative to Customer.io?

Yes. Brevo, Klaviyo and HubSpot have a free plan alongside paid ones.

Which Customer.io alternatives work on Android?

The Customer.io listing does not include an Android app. HubSpot lists one.

Which Customer.io alternatives work on iOS?

The Customer.io listing does not include an iOS app. HubSpot lists one.

When were these prices checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 17, 2026. Vendors change prices without notice, so confirm on their site before you buy.