G2 Vendor Directory

SARE vs. Customer.io

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

SARE

Warszawa, mazowieckie

Customer.io

Portland, OR

MetricSARECustomer.io
Avg. rating4.14.4
Total reviews12990
Review growth (QoQ)—+7.1%
Products on G211
Categories covered87
Best category rank#141 in Email Marketing#1 in Transactional Email
Small Business41.7%59.3%
Mid-Market33.3%37.4%
Enterprise25.0%3.2%