Inbox Tracker vs. SendPulse

eDataSource is the leader in email deliverability technology and performance insights. Founded in 2003 as the industry's first email intelligence company, eDataSource pioneered the use of live consumer inboxes to analyze email success metrics. Our multi-source monitoring solution now includes the most cutting edge, AI-powered machine learning and allows us to track over 90% of all commercial emails sent globally. No other players in the email monitoring space offer anything like our combination of data-depth and breadth of ISP representation.

SendPulse is an AI-driven email and chatbot marketing platform that helps scaling businesses acquire, grow, and retain customers through email and chatbot conversations — all powered by a built-in CRM that streamlines sales and marketing efforts from start to finish. Trusted globally for more than 11 years, the company now serves over 200,000 customers, with substantial operations spanning Latin America (with an office in Brazil) and Europe as part of its international footprint.