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