Customer.io vs MailPoet

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Customer.io is the stronger AI pick in Email Marketing: it has a visibility score of 6.2 versus 0.3 for MailPoet, and ranks ahead in 100% of the answers that name both.

Choose Customer.io if…

You want the brand AI engines rank higher (6.2 vs 0.3)
You need GDPR or CCPA or ISO 27001 or SOC 2 Type II or HIPAA coverage
You prefer a larger, established vendor (201–500 employees)
Strong behavioral and event-driven automation

Choose MailPoet if…

You want a free plan to start
You need GDPR compliant (vendor claim) coverage

AI visibility side by side

Latest weekly run · Nov 2

Metric	Customer.io	MailPoet
Visibility score	6.2%	0.3%
Change vs last week	New	New
Rank in Email Marketing	#16	#41
Share of voice	1.7%	0.2%
Mentions this run	10	1
Positive in AI answers	34%	—

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Customer.io 0pp · MailPoet 0pp over 0 weekly runs.

Engine by engine

Customer.io leads on 2 of 3 engines

ChatGPT

AI Mode

Perplexity

11.5%

0.9%

Customer.ioMailPoet

Head to head in AI answers

1 engine answers name both brands

1Customer.io ranked higher

0MailPoet ranked higher

Prompt	Engine	Customer.io	MailPoet
Which Email Marketing tools offer annual discounts?	Perplexity	#6	#10

Features, pricing & fit

Dimension	Customer.io	MailPoet
Pricing model	Usage-based	Usage-based
Entry price	$100 / mo	Contact sales
Free plan	No	Yes
Deployment	Cloud-hosted, with US and EU data centers	WordPress plugin, hosted on the customer's own WordPress site. Sending runs through the MailPoet Sending Service, the host, or a third-party SMTP provider.
Compliance	GDPR, CCPA, ISO 27001, SOC 2 Type II, HIPAA	GDPR compliant (vendor claim)
Support	Email and chat support, Documentation and community support, Dedicated Customer Success Manager on Enterprise	WordPress forums, MailPoet Knowledge Base, Priority email support on paid plans, Support by email or from the WordPress admin
Founded	2012	2011
Headquarters	Portland, Oregon, USA	Marseille, France
Employees	201–500	11–50
Funding	Series A led by Spectrum Equity	—
Best for	Teams getting started with data-driven messaging, and teams scaling across channels with custom workflows.	Bloggers, small businesses and WooCommerce stores that run their email marketing from WordPress.