Customer.io logo

VS

Loops logo

Customer.io vs Loops

Two transactional email providers, compared on price, features and ratings — so you can pick fast.

Updated June 2026

The verdict

Customer.io wins on compliance.
Loops wins on price and sending APIs.

Customer.io and Loops take different pricing approaches. Pick based on volume and team — the scorecard below breaks down where each one leads.

By the numbers

How do Customer.io and Loops compare?

Leader highlighted · figures as of June 2026

Drag-and-drop editor · visual builder

Yes

Customer.io

Yes

Loops

Scorecard

Feature by feature, how do they stack up?

Capability
Customer.io logo
Customer.io
Loops logo
Loops
Pricing
Starting paid plan$100/mo$49/mo
Pricing modelSubscriptionSubscription
OverageProfile-based pricing: additional profiles $0.009 each; additional emails $0.12 per 1,000 over the plan's bundled allowance; AI credits $10/100K. Email volume does not map to a per-email tier.No send overages (sends unlimited on paid plans); cost scales by contact-count tier
Deliverability
Dedicated IPPlan-gatedNo
Deliverability toolingYesYes
Automated IP warmupYesYes
Suppression managementYesYes
SPF / DKIM / DMARCYesYes
BIMIYes
API & sending
Transactional APIYesYes
Marketing campaignsYesYes
SMTP relayNoYes
Inbound routingNoNo
Dynamic templatesYesYes
Batch sendYesYes
Scheduled sendYesYes
Developer experience
Official SDKsRuby, Python, Node.js, Go, PHP, JavaScript (Web), iOS, Android, React Native, Flutter, ExpoJavaScript/TypeScript, Go, Ruby, PHP, Nuxt
Event webhooksYesYes
Drag-and-drop editorYesYes
Custom HTML editorYesYes
Email validationNoIncluded
Log retentionNot publicly documented
Sandbox / test modeYes
Analytics
Open / click trackingYesYes
Analytics dashboardYesYes
A/B testingYesYes
Compliance
EU data residencyYesNo
SOC 2YesYes
HIPAAYesNo
GDPRYesYes
ISO 27001YesYes
Support
Support channelsCommunity + email (Essentials); chat (Standard); dedicated CSM + technical specialist (Premium/Enterprise)Email/in-app support; docs and AI agent setup
24/7 supportNo
Support SLAPlan-gatedNo
Migration assistanceYes

Decision helper

Which should you choose?

Customer.io logo

Pick Customer.io

You need behavior-triggered lifecycle messaging across email, push, and SMS
You want journeys driven by real-time user/event data and a unified profile
You're consolidating marketing automation and transactional messaging
You need EU data residency or HIPAA-grade compliance
Explore Courier integrations →
Loops logo

Pick Loops

You're a SaaS company wanting lifecycle and transactional email from one developer-friendly tool
You send high volume to a moderate, well-managed contact list
You want fast setup with a clean API and polished editor
You need SOC 2 / ISO 27001 but not dedicated IPs, HIPAA, or inbound routing
Explore Courier integrations →

FAQ

Common questions

Yes. Many teams route different message types through different providers or fail over between them. Courier lets you send through both behind a single API and switch providers without changing your code.

Keep comparing

Related comparisons

Customer.io vs Postmark

Email

Customer.io vs Mailgun

Email

Customer.io vs SendGrid

Email

AWS SES vs Customer.io

Email

Customer.io vs SparkPost

Email

Customer.io vs OneSignal Email

Email

Why not both?

Use both behind one API.

Route Customer.io, Loops, or both — and switch providers without changing your code. Courier sits in front of every channel.

Start building freeRead the docs

Pricing, plans and feature availability as of June 2026 and may change. Ratings are aggregated from public review platforms.

Multichannel Notifications Platform for SaaS

Products

Platform

Integrations

Customers

Blog

API Status

Subprocessors

© 2026 Courier. All rights reserved.