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Edison Mail vs Airmail: catalog facts
Edison Mail	Airmail
Free Offered as a download; the homepage does not list prices.	Freemium Available on the App Store; see the store listing for current pricing and subscription…
macOS, Android, iOS	macOS, iOS
Unified inbox across several email accounts Available on phones and the Mac	Supports Gmail, Exchange, iCloud, IMAP, POP3 and more Unified and smart inboxes with snooze
No Windows or Linux version Closed source	Apple platforms only Pricing details are not stated on the homepage
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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