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Spark Mail vs Apple Mail: catalog facts
Spark Mail	Apple Mail
Freemium Free for individuals; paid plans add AI features and team tools.	Free Included free with macOS, iOS and iPadOS.
Windows, macOS, Android, iOS	macOS, iOS
Automatic inbox categorization cuts down on manual sorting AI-drafted replies can speed up routine email responses	Preinstalled on Mac, iPhone and iPad Supports iCloud and other email providers
AI and team features are gated behind a paid plan Some categorization requires manual correction over time	Only available on Apple devices Closed source
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 22, 2026	Official website Full listing and sources Checked September 23, 2026

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