Based on our record, MailTracker seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
MailerCheck is the best, but I used also Hunter in the past and it did its duty pretty well. Source: over 1 year ago
MailTracker for Gmail is free but it only shows you if the email has been opened. Source: over 2 years ago
Hunter mailtracker - Email tracker to see if/when/how often customer/ investors see your emails. Source: almost 3 years ago
Hunter Mail Tracker: This is a classic. Bring “WhatsApp” read checks to your email. Know each time your email gets opened. Period. Source: almost 3 years ago
Mailtrack.io - The best email tracking solution I've found. Free
EmailTrackerPro - EmailTrackerPro is an email tracking and spam filter solution.
Snov.io - More leads. More sales. More revenue.
ReadNotify - ReadNotify enables the user to know when email is sent and the reciever reads the email.
EmailTracker.cc - Free Email Tracker for Gmail. Close More Deals with Comprehensive Email Tracking, Automated Follow-up Reminders, and Detailed Click Insights
Sendia - Send cold email in seconds with Sendia, an outreach tool for Gmail that's free & easy to use!