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Gmail vs HEY: catalog facts
Gmail	HEY
Freemium Free account; some AI features need a Google AI Pro or Ultra plan.	Paid Paid subscription service.
Android, iOS, Web	Web
Strong spam and malware filtering Available on web, Android and iOS	Screens first-time senders before they reach the inbox Email and calendar from one provider
Closed service tied to a Google account Some AI features require a paid plan	Opinionated workflow that differs from traditional email Hosted service that requires a paid account
Downloadable app, Web application, Hosted service	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account 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.