Ping

什么是 Ping？

Chrome extension for Gmail mail merge. Pick a Google Sheet, write a template with {Name} {Company} placeholders, hit send. Each email goes individually from your real Gmail with open tracking, click tracking, reply detection, and auto follow-up sequences that stop when someone replies. Free for 50 emails/day. Pro $9/mo for 500/day (₹749 in India). GMass and Yesware start at $30/mo per user. Built solo by a college student who needed something cheaper.