Klaviyo vs Customer.io
Written by Marcus Taylor - CEO
Updated 12/02/2026
5 minute read
Who is this software for?
Klaviyo is an email marketing platform designed for e-commerce businesses, providing tools for creating targeted email campaigns, automations, and personalization.
Pros
- Built specifically for eCommerce businesses
- High-quality email templates
- Benchmark your performance against similar eCommerce businesses.
Cons
- Automation flow editor is a bit basic
- Limited eCommerce content blocks for email campaigns
Screenshots
Pricing
Ratings
Features
Lead scoring Lead segmentation Web activity tracking SMS marketing Personalize web content Predictive analytics Bi-directional CRM syncing Event management Create invoices 
Create quotes Split testing Create membership sites Bulk social media posting Sales reports Real-time sales alerts Mobile app Social CRM Integrations
Outlook integration Gmail integration Salesforce integration SugarCRM integration Microsoft Dynamics integration Zapier integration Alternatives
About Klaviyo
Klaviyo is an email marketing platform designed for e-commerce businesses, it allows businesses to create personalized email campaigns, automate email sequences, and track customer behavior.
Who is this software for?
Customer.io is ideal for web and mobile app businesses
Pros
- Free tier for less than 200 contacts
- Segment based on user data from web or mobile app
Cons
- Limited number of integrations
- Requires engineering resources to get the data you need
Screenshots
Pricing
Ratings
Features
Lead scoring Lead segmentation Web activity tracking SMS marketing Personalize web content Predictive analytics Bi-directional CRM syncing Event management Create invoices Create quotes Split testing Create membership sites Bulk social media posting Sales reports Real-time sales alerts Mobile app Social CRM Integrations
Outlook integration Gmail integration Salesforce integration SugarCRM integration Microsoft Dynamics integration Zapier integration Alternatives
About Customer.io
Most experiences you have with companies in the world are horrible. When's the last time you felt passionate about your power company, or your mobile phone provider? That's not the world that we (and hopefully you) want to live in. Let us help you grow happy customers. With Customer.io you'll see that happy customers come from genuine, relevant interactions with you. Happy customers care about your company. Happy customers are happy to pay you. And happy customers tell their friends.
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