MailTag.io vs. SparkPost

Supercharge your sales process. MailTag is your all-in-one Chome browser extension for email tracking 📨, scheduling 🕔, and auto follow-up 🚀. 100% free, forever. (Available for Gmail & GSuite accounts).

SparkPost is the world’s #1 email infrastructure provider and the most performant email delivery service available. Our customers send over 5 trillion messages a year, over 37 percent of the world’s business email. Several SparkPost customers—including the largest social networks—send over a billion emails a day, making us the fastest-growing email delivery service provider on the market. For more than a decade, we’ve developed the leading technology in the email industry and the first email delivery service truly architected for the cloud.