G2 Vendor Directory

ReadNotify vs. Reply.io

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

Reply.io

San Jose, US

MetricReadNotifyReply.io
Avg. rating4.34.6
Total reviews101,578
Review growth (QoQ)—+6.3%
Products on G212
Categories covered17
Best category rank#89 in Email Tracking#12 in AI SDRs
Small Business40.0%80.3%
Mid-Market40.0%17.4%
Enterprise20.0%2.2%