Best Customer.io Alternatives

Customer.io is data-driven lifecycle messaging across email, push, in-app, and SMS. If it doesn't fit your pricing, workflow, or feature needs, here are 3 alternatives worth comparing — including options with a free plan.

Looking for the original? See the full Customer.io listing.

At a Glance

ToolBest forPricingFree planOpen sourcevs Customer.io
Loops logoLoopsSaaS startups consolidating email toolsFreemium · from $49/moSimpler SaaS email with a notion-like editor and free tier — less power, much faster to start.
Userlist logoUserlistB2B SaaS founders and marketersPaid · from $99/moB2B-specific with company-level triggers and concierge migration at a lower price point.
Klaviyo logoKlaviyoE-commerce-centric lifecycle messaging with deep store integrations rather than product-event focus.

Quick Picks

Best free alternative
Loops

Simpler SaaS email with a notion-like editor and free tier — less power, much faster to start.

All Customer.io Alternatives

Loops

Loops

One email platform for SaaS — marketing, product, and transactional email in a single, Notion-like editor.

Email MarketingAutomation
Userlist

Userlist

Email automation built specifically for B2B SaaS, with company-level data.

Email MarketingCRM

Klaviyo

Growth marketing platform for e-commerce with advanced email and SMS marketing automation and analytics.

E-commerceEmail Marketing

Frequently Asked Questions

What is the best Customer.io alternative?

Loops is the top-listed Customer.io alternative on this page — simpler SaaS email with a notion-like editor and free tier — less power, much faster to start. The right choice depends on your budget, workflow, and required integrations, so compare the table above before deciding.

Is there a free alternative to Customer.io?

Yes. Loops offers a free plan, with paid plans from $49/mo. Other listings may also include free tiers — check the Free plan column in the comparison table.

Is there an open-source alternative to Customer.io?

None of the alternatives listed here are open source at the moment. If self-hosting matters to you, check each tool's documentation for deployment options.

How were these Customer.io alternatives selected?

Each alternative solves a similar core task and is an active listing in the directory. The one-line difference next to each tool summarizes how it diverges from Customer.io in pricing, focus, or capability.