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Mailtrack vs Yesware: catalog facts
Mailtrack	Yesware
Freemium A free tier adds a signature to tracked mail. Paid plans remove it and add features.	Paid Paid plans with a 14-day free trial and no credit card required.
Browser extension	Windows, macOS, Web, Browser extension
Simple, visible read receipts directly inside Gmail	Works inside both Gmail and Outlook Real-time open, click and download alerts
Tracking recipients without telling them is intrusive and often blocked Free use adds a signature line to your emails, and it requires Gmail access	Paid after the trial Focused on sales teams rather than personal email
Browser extension	Hosted service, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.