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Erine.email vs SimpleLogin: catalog facts
Erine.email	SimpleLogin
Free Free and open source.	Freemium Free tier available, with paid plans for more aliases and features; owned by Proton.
Web	Android, Web, Browser extension
Free and open source alternative to paid alias services Works with an existing inbox rather than requiring a new mailbox	Open source alias generation with the backing of Proton Aliases can be disabled individually to stop spam without changing your real address
Smaller, less established project than larger alias services Limited information available on feature depth and reliability track record	Best features and higher alias limits require a paid plan Now tied into the Proton ecosystem after the acquisition
Web application	Web application, Browser extension
Open source	Open source
License not stated	License not stated
Not stated if an account is 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 22, 2026	Official website Full listing and sources Checked September 22, 2026

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