Compare software

HEY vs Inbox When Ready: catalog facts
HEY	Inbox When Ready
Paid Paid subscription service.	Freemium Free to install, with a paid PRO upgrade and team plans.
Web	Browser extension
Screens first-time senders before they reach the inbox Email and calendar from one provider	Lets you search and compose without seeing new mail Available for Chrome, Firefox and Edge
Opinionated workflow that differs from traditional email Hosted service that requires a paid account	Works only with Gmail Some features require the paid PRO upgrade
Web application, Hosted service	Browser extension
Closed source	Closed source
License not stated	License not stated
Account 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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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