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Email Marketing Comparison

Customer.io vs. GetResponse

At a glance

At a glance

Customer.io

Best for

Best for product-led SaaS teams that trigger lifecycle messaging from event data and want the whole platform available over an API.

  • Small and mid-sized
  • Enterprise

GetResponse

Best for

Best for businesses that want email marketing, automation, landing pages and ecommerce tools, along with webinars and a website builder, in one platform.

  • Freelancers
  • Small and mid-sized
  • Enterprise

Cataleo does not name a winner. Both statements come from the vendors themselves.

Full Comparison

Criterion Customer.io GetResponse
Starting price From $100 / month Essentials, billed monthly, for 5,000 profiles and 1 million emails a month. Premium starts at $1,000 a month and is billed yearly; Enterprise is quoted. Extra usage costs $0.009 per profile, $0.12 per 1,000 emails and $10 per 100,000 AI credits. lower value From $19 / month Starter plan billed monthly; annual billing lowers it to $15.58 / month, and the price scales with list size.
Free trial Startup Program gives early-stage companies that have raised under $10M a full year free 14-day free trial
API Yes, the Journeys UI API and CDP Data Pipelines API, plus a CLI, webhooks, mobile SDKs and an official MCP server Yes, an API and more than 170 integrations
Hosting Cloud (SaaS), with US and EU endpoints Cloud (SaaS)
Made in United States Not stated
Campaign types Yes, email, SMS, push, in-app messages, WhatsApp, LINE, webhooks and Slack, plus transactional messages Yes, email newsletters and autoresponders, with landing pages, signup forms and popups; webinars on the Creator plan and SMS on Enterprise
Automation and journeys Yes, a visual workflow builder with branching logic, triggered by segment, event, form, relationship, date or webhook Yes, a visual drag-and-drop automation builder; 1 workflow on Starter and unlimited workflows from the Marketer plan
Segmentation and personalisation Yes, Audiences segments on customer profiles, events, account relationships and real-time data Yes, data-based audience segmentation, with advanced segmentation from the Marketer plan
Templates and editor Yes, Design Studio for creating messages at scale Yes, a drag-and-drop email editor with templates, plus a landing page builder and a website builder on the Creator plan
Deliverability and testing A/B and multivariate testing, conversion tracking, send-time optimisation and email content analysis on every plan; managed deliverability from the Premium plan Yes, A/B testing and send-time optimisation (Perfect Timing)
Ecommerce and CRM data Yes, CDP Data Pipelines unify customer data and apps, with object types alongside people for accounts and other non-person records Yes, abandoned cart recovery, sales funnels, promo codes and revenue reports for connected stores
Integrations and API Yes, the Journeys UI API and CDP Data Pipelines API, plus a CLI, webhooks, mobile SDKs for iOS, Android, React Native, Flutter and Expo, and an official MCP server Yes, an API and more than 170 integrations
AI features Yes Yes
MCP-ready stated Yes No
Deployment Cloud (SaaS), Browser-based Cloud (SaaS), Browser-based
Support Email helpdesk, Chat, Community forum Not stated
Onboarding Documentation and knowledge base, Guided onboarding Not stated
Company size Small and mid-sized, Enterprise more entries Freelancers, Small and mid-sized, Enterprise

Compare more tools

Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.

The short version

Key Differences

  • Starting price Customer.io From $100 / month GetResponse From $19 / month
  • Free trial Customer.io Startup Program gives early-stage companies that have raised under $10M a full year free GetResponse 14-day free trial
  • Company size Customer.io Small and mid-sized, Enterprise GetResponse Freelancers, Small and mid-sized, Enterprise
  • Hosting Customer.io Cloud (SaaS), with US and EU endpoints GetResponse Cloud (SaaS)
  • MCP-ready Customer.io Yes GetResponse No

Every line is one datapoint from the table above, picked automatically. Nothing here is written text.

The trade-offs

Strengths and Limitations

Customer.io

Strengths

  • Journeys triggered by product events, forms, relationships, dates or webhooks
  • Official MCP server exposing the full Journeys UI and CDP Data Pipelines APIs, on US and EU endpoints
  • LLM actions inside a workflow generate data and personalise content at send time
  • Startup Program gives early-stage companies a full year free

Limitations

  • Only Essentials publishes its volumes; Premium names a starting figure but quotes profiles and emails individually
  • Billing counts objects as well as people towards the profile total
  • Object types are capped per plan, at two on Essentials and ten on Premium
  • Daily Routines, premium chat support and HIPAA compliance start at the Premium plan

GetResponse

Strengths

  • Combines email, automation, landing pages and ecommerce tools in one platform
  • AI email and content generators on paid plans
  • Creator plan adds a website builder, course creator and webinars
  • API with more than 170 integrations

Limitations

  • Pricing scales with list size
  • SMS marketing and mobile push are reserved for the Enterprise plan
  • No permanent free plan, only a 14-day trial

Plans

Pricing

Customer.io

  • Essentials $100 Per month, billed monthly. 5,000 profiles (people and objects), 1 million emails a month, 2 object types, 2 workspaces, email and community support, basic data integrations.
  • Premium $1,000 Per month, billed yearly, as a starting figure. Custom profile and email volumes, 10 object types, elevated AI Agent limits with custom skills, Daily Routines, premium chat and email support, 90-day onboarding support, premium data integrations and HIPAA compliance.
  • Enterprise Not stated Quoted. Dedicated infrastructure and hardware, custom AI Agent limits, priority technical support, migration support, a dedicated Customer Success Manager and Technical Implementation Specialist, a shared Slack channel, audit logging and data governance.
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GetResponse

  • Starter From $19 / month Unlimited email sends, 1 automation workflow, landing pages, forms and AI content generators. Billed monthly; $15.58 / month billed annually. Scales with list size.
  • Marketer From $59 / month Adds unlimited automation workflows, advanced segmentation, abandoned cart recovery, sales funnels and revenue reports. $48.38 / month billed annually.
  • Creator From $69 / month Adds a website builder, a course creator for up to 500 students, premium newsletter subscriptions and webinars for up to 100 attendees. $56.58 / month billed annually.
  • Enterprise Not stated Custom pricing. Adds SMS marketing, mobile push notifications, a dedicated IP address, single sign-on, unlimited users and a dedicated customer experience manager.
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What users say

Review Scores · opens after launch

Customer.io

Ease of use
Not rated yet
User interface
Not rated yet
Onboarding
Not rated yet
Support and service
Not rated yet
Value for money
Not rated yet
Features
Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

GetResponse

Ease of use
Not rated yet
User interface
Not rated yet
Onboarding
Not rated yet
Support and service
Not rated yet
Value for money
Not rated yet
Features
Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

Where this comes from

Where this comes from

Customer.io https://customer.io · checked against the official source on 2026-09-03

GetResponse https://www.getresponse.com · checked against the official source on 2026-08-20

This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.