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Fastmail vs HEY: catalog facts
Fastmail	HEY
Paid Paid subscription with a 30-day free trial that needs no credit card.	Paid Paid subscription service.
Android, iOS, Web	Web
Email, calendar and contacts in one service Choice of EU or USA data residency	Screens first-time senders before they reach the inbox Email and calendar from one provider
No free plan after the trial Hosted service, so your mail lives on Fastmail's servers	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.