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Yesware vs Polymail: catalog facts
Yesware	Polymail
Paid Paid plans with a 14-day free trial and no credit card required.	Paid Paid plans with a free trial.
Windows, macOS, Web, Browser extension	macOS, iOS
Works inside both Gmail and Outlook Real-time open, click and download alerts	Read tracking and follow-up reminders inside email Several inboxes in one place
Paid after the trial Focused on sales teams rather than personal email	Requires a paid subscription after the trial Read tracking may not suit privacy-minded recipients
Hosted service, Browser extension	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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