Compare software

Polymail vs Edison Mail: catalog facts
Polymail	Edison Mail
Paid Paid plans with a free trial.	Free Offered as a download; the homepage does not list prices.
macOS, iOS	macOS, Android, iOS
Read tracking and follow-up reminders inside email Several inboxes in one place	Unified inbox across several email accounts Available on phones and the Mac
Requires a paid subscription after the trial Read tracking may not suit privacy-minded recipients	No Windows or Linux version Closed source
Downloadable app, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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