Klaviyo
klaviyo.com
Email and SMS built around e-commerce data
from $20/moFree plan
Customer.io
Behavioural messaging for product teams
Free trialEmail MarketingSince 2012
from $100/moVisit customer.io
What Customer.io is
Triggers messages from product events rather than lists — email, push, in-app and SMS driven by what a user actually did. Data-warehouse-friendly.
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Customer.io alternatives
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