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Customer.io Review

EMAIL MARKETING SOFTWARE

Choose Customer.io when product-led, event-driven messaging is the primary job — not classic list-blast email marketing.

Last updated 2026-08-18Independent editorial review
  • Starting price

    $100.00/user/month

  • Free plan

    No

  • Free trial

    14 days

  • Best for

    Product-led teams sending event-driven multi-channel messages

SoftwareGlimpse review

7.1/10

Good

  • Ease of use6
  • Email creation7
  • Automation9
  • Segmentation8
  • Analytics7
  • Deliverability tooling6
How we score →

All features

15 features

Official demos appear only beside high-value features where verified ResearchMedia is linked — not as a generic video gallery.

  • Email campaigns

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise

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    Official vendor video

    Customer.io Platform Tour

    What this shows

    • Customer.io platform tour of campaigns, data, and messaging
    • Official product walkthrough of the customer engagement platform
    • Customer.io platform tour of campaigns, data, and messaging
    • Official product walkthrough of the customer engagement platform
  • Newsletter builder

    Essentials

    SoftwareGlimpse assessment: Limited

    What it supports

    • Available with noted limits in current research
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Email templates

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Drag-and-drop editor

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Automation workflows

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Segmentation

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Personalization

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • A/B testing

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Contact management

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Landing pages

    Essentials

    SoftwareGlimpse assessment: Not supported

    What it supports

    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Forms

    Essentials

    SoftwareGlimpse assessment: Limited

    What it supports

    • Available with noted limits in current research
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Transactional email

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Analytics

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • Deliverability tools

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise
  • AI content generation

    Essentials

    SoftwareGlimpse assessment: Strong

    What it supports

    • Listed as available in product packaging
    • Entry point: Essentials

    Included in

    • Essentials
    • Premium
    • Enterprise