G2 Vendor Directory

Retention Science vs. Customer.io

A side-by-side comparison based on G2 review data.

MetricRetention Science

by Constant Contact

Customer.io

by Customer.io

Overall rating4.54.4
Review count34990
Ease of use9.08.5
Ease of setup8.48.2
Quality of support9.08.8
Meets requirements9.08.8
NPS58.82352959.487179
Small Business46.9%59.3%
Mid-Market40.6%37.4%
Enterprise12.5%3.2%
Total page views1143,321
Total LLM citations10629,712

Retention Science

Retention Science is the best way to target, engage and retain your customers. Our data-driven, SaaS-based Retention Marketing platform predicts customer behavior and delivers targeted multi-channel communications that increase revenue and encourage customer advocacy. We make sophisticated data science and marketing automation simple and accessible for marketing teams of all sizes. Retention Science, a Constant Contact company, is a provider of ecommerce-focused digital marketing services powered by intelligent technology and customer support to help sell more in less time.

Pros

  • AI Technology
  • Automation Efficiency
  • Easy Implementation
  • Customer Engagement
  • Easy Integration
  • Engagement Efficiency

Customer.io

Customer.io is the leading customer engagement platform for product-led organizations. Engage users based on real behavior and build stronger customer relationships across email, SMS, push, in-app, and webhooks. Now with an intuitive AI agent that handles the repetitive work, your team can focus on timing, strategy, and getting more impact from every message.

Pros

  • Ease of Use
  • Automation
  • Features
  • Helpful
  • Customer Support
  • Automation Efficiency