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Mailstrom vs Clean Email: catalog facts
Mailstrom	Clean Email
Paid Paid service with a free trial that needs no credit card.	Freemium Can be tried for free, with paid plans listed on the site.
Web	Android, iOS, Web
Bulk delete and unsubscribe across thousands of messages Works with Gmail and other providers	Bulk actions on grouped messages Smart folders and cleaning suggestions
Requires granting a third-party service access to your mailbox Paid after the trial	Requires granting a third-party service access to your mailbox Full use requires a paid plan
Hosted service	Downloadable app, Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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