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Canary Mail vs Slashy: catalog facts
Canary Mail	Slashy
Paid Paid subscription, with a free trial or limited free tier.	Freemium Pricing is not listed on the homepage; a sales demo can be booked.
Windows, macOS, Android, iOS	macOS, iOS
Built-in encryption support alongside AI-assisted email triage Available across Windows, Mac, iOS, and Android	Drafts replies in the user's own voice Handles meeting scheduling and follow-ups
Full feature set requires a paid subscription AI features depend on cloud processing rather than being fully local	Built around Gmail rather than any mail provider Pricing is not clearly stated on the site
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
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.