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Clean Email vs Mailstrom: catalog facts
Clean Email	Mailstrom
Freemium Can be tried for free, with paid plans listed on the site.	Paid Paid service with a free trial that needs no credit card.
Android, iOS, Web	Web
Bulk actions on grouped messages Smart folders and cleaning suggestions	Bulk delete and unsubscribe across thousands of messages Works with Gmail and other providers
Requires granting a third-party service access to your mailbox Full use requires a paid plan	Requires granting a third-party service access to your mailbox Paid after the trial
Downloadable app, Web application, Hosted service	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 1, 2026	Official website Full listing and sources Checked October 2, 2026

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