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Shortwave vs Fyxer: catalog facts
Shortwave	Fyxer
Freemium Free to start with no credit card required, with paid options for more features.	Paid Paid service with a 14-day free trial.
Windows, macOS, Android, iOS	Web
AI filters written in plain English Drafts replies that match your writing style	Automatic labelling and prioritising of new mail Draft replies written in your style
Built for Gmail accounts Relies on a hosted AI service that processes your mail	Only works with Google and Microsoft accounts Requires giving a third-party service access to your email
Downloadable app, Hosted service	Hosted service
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 23, 2026	Official website Full listing and sources Checked October 1, 2026

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