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Mailstrom vs Unroll.Me: catalog facts
Mailstrom	Unroll.Me
Paid Paid service with a free trial that needs no credit card.	Free Free to sign up and use.
Web	Web
Bulk delete and unsubscribe across thousands of messages Works with Gmail and other providers	Quick blocking of unwanted subscription senders Daily digest for newsletters you want to keep
Requires granting a third-party service access to your mailbox Paid after the trial	Needs access to your mailbox Owned by a consumer data company, so review its privacy notice
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 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.