Two transactional email providers, compared on price, features and ratings, so you can pick fast.
Customer.io wins compliance and supportLoops wins price and deliverability
Updated August 2026
At a glanceCustomer.ioLoops
Drag-and-drop editorYesYes
THE VERDICT
Customer.io wins on compliance and support. Loops wins on price and deliverability.
Customer.io and Loops take different pricing approaches. Pick based on volume and team, and the scorecard below breaks down where each one leads.
Which should you choose?
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
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
Feature by feature
Winner cells are tinted, green where Customer.io leads, violet where Loops does.
capability
Customer.io
Loops
Pricing
Starting paid plan
$100/mo
$49/mo
Pricing model
Subscription
Subscription
Overage
Profile-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
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.