Customer.io vs SendGrid
Customer.io vs SendGrid: which to choose
On pricing, SendGrid has a free plan while Customer.io does not, so SendGrid is the safer pick for side projects or evaluating before you commit budget.
Choose Customer.io if you lean toward marketing and automation; choose SendGrid if transactional and marketing matters more for your stack. All figures above are pulled from live GitHub and pricing data, not vendor marketing.
Frequently asked questions
Is Customer.io or SendGrid better?▾
It depends on your priorities. Customer.io has — GitHub stars and uses a paid pricing model, while SendGrid has — stars and uses a freemium model. SendGrid offers a free plan, which may be better for getting started.
Is Customer.io cheaper than SendGrid?▾
Customer.io starts at $100/mo while SendGrid starts at $0/mo. SendGrid has a free plan.
What are the main differences between Customer.io and SendGrid?▾
Customer.io is tagged as marketing, automation, events while SendGrid is tagged as transactional, marketing, smtp. Customer.io uses a paid pricing model. SendGrid uses a freemium model.
Does Customer.io or SendGrid have a free plan?▾
SendGrid offers a free plan, but Customer.io does not.