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HEY vs mailbox.org: catalog facts
HEY	mailbox.org
Paid Paid subscription service.	Paid Subscription email and workspace service that can be tried before committing.
Web	Web
Screens first-time senders before they reach the inbox Email and calendar from one provider	Email, storage, meetings and office tools in one account Data hosted in Germany under GDPR
Opinionated workflow that differs from traditional email Hosted service that requires a paid account	A hosted service, not software you run yourself Requires a paid subscription after the trial
Web application, 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 September 23, 2026

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