Constant Contact vs Customer.io
Written by Marcus Taylor - CEO
Updated 12/02/2026
5 minute read
Who is this software for?
Constant Contact is ideal for any size business
Pros
- Free for 60 days
- Easy gmail and outlook email imports
- No contracts. Cancel anytime.
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 Constant Contact
Constant Contact makes email marketing easier by simplifying the process of creating a customized email that matches your branding with their easy to use email editor and customizable templates. Easily import your pre existing list or build one using their sign up forms. Create and schedule your emails so they are automatically sent people who join your lists and meet your custom triggers. With Constant Contact you can transform your emails into social media posts so you can reach your fans wherever they are.Constant Contact also offer a full service email marketing service to get your email marketing campaigns off the ground.
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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