DeclutrMail vs Mailstrom
The short version
Choose Mailstrom if you want to act on email in bulk across several email services, including Outlook, Yahoo, iCloud and IMAP. Choose DeclutrMail to decide Gmail sender by sender, with a preview before email moves and 30-day Undo.
DeclutrMail is Gmail only for now.
Last verified October 2026. Official primary sources only. Check the sources
Which product fits whom
A strong reason to choose Mailstrom
Choose Mailstrom for several email services
- You need Outlook, Yahoo, AOL, iCloud or another IMAP account as well as Gmail.
- You want to act on large bundles of email by sender, subject, size or date.
- You want rules, blocking and regular email reports in the same tool.
- Organizes by
- Bundles of related email (sender, subject, size, date)
- Works with
- Gmail, Outlook and Microsoft 365, Yahoo, AOL, iCloud and other IMAP services
- How to start
- Free sign-up; paid plans by number of accounts and inbox size (see its pricing page)
A strong reason to choose DeclutrMail
Choose DeclutrMail for a sender-by-sender Gmail review
- You want a suggested choice for each sender and a preview of exactly what will move.
- You want Archive, Later and Delete recorded in Activity with 30-day Undo.
- You want a Gmail-only tool that never fetches or stores full email contents.
The differences that change the experience
Labels describe what the cited public sources actually establish. The note under each is usually more useful than a bare yes or no.
| Decision | DeclutrMail | Mailstrom |
|---|---|---|
| Core approach | PublishedA guided sender-by-sender cleanup Rank senders, inspect the effect, then choose Keep, Archive, Unsubscribe, Later, or Delete. | Not publicly statedNot publicly stated Not publicly stated in the reviewed pages. |
| Mailbox support | LimitedGmail and Google Workspace DeclutrMail is Gmail only for now. | PublishedGmail, Outlook, Yahoo, AOL, iCloud and IMAP Gmail, Outlook and Yahoo connect by signing in with the provider; iCloud and others use an IMAP password. |
| Existing-mail cleanup | PublishedYes — by sender Archive and Later act on matching current inbox mail. Delete can also include archived mail when you explicitly choose that scope. Unsubscribe alone does not move existing mail. | PublishedYes, in bulk Delete, archive or move bundles of related email. |
| Future-mail automation | LimitedSeparate Autopilot rules Autopilot rules are configured separately and previewed before they run. Low-engagement Archive and new-sender Later matches always wait for your approval; other presets can act automatically if you choose. A one-time Archive or Later action does not automatically become a future-mail rule. | PublishedRules and blocking Its FAQ lists automatic rules and Block Sender/Subject. |
| Unsubscribe | LimitedWhen the sender provides an unsubscribe method Standards-based one-click requests can be submitted directly. Mailto opens a prepared Gmail draft that you send. The sender controls whether and when delivery stops; unsupported senders stay explicit. | PublishedYes Listed as a feature. |
| Preview and recovery | LimitedRecorded in Activity when recovery is available Archive, Later, and Delete use the 30-day Activity Undo window. Delete also has separate Gmail Trash recovery, normally up to 30 days. Unsubscribe is not a reversible DeclutrMail action. | Not publicly statedNot publicly stated Not publicly stated in the reviewed pages. |
| Email-data posture | PublishedListed Gmail details, including the preview snippet Full message bodies and attachments are not fetched. | LimitedMessage details, not bodies (its claim) Its site says it uses only message details (sender, subject, date, size) and never accesses email bodies. |
| Public starting point | PublishedFree, Plus Free is $0 and lets you clear 50 emails a month; Unsubscribe, Keep, Later, previews and Undo are unlimited. Plus is $90 a year with no monthly limit. | PublishedPaid plans by account count and inbox size See mailstrom.co/pricing. |
Sources
Product pages change. These are the official pages reviewed for this comparison.
- Mailstrom pricing
Plans by number of accounts and inbox size
- Mailstrom FAQ
IMAP requirement; supported providers; rules and blocking
- Mailstrom email management
Providers; details-only claim
- DeclutrMail pricing and tiers
Current public plan prices, inbox limits, capabilities, and undo windows.
- DeclutrMail privacy policy
Current data categories, Gmail access, retention, and account-deletion details.
Last verified October 2026. Official primary sources only.
Questions
Should I use Mailstrom or DeclutrMail for bulk-deleting old email?
Both group email so you can act on many messages at once. Mailstrom works with more email services. DeclutrMail is Gmail only and shows the count and planned changes before you confirm; Delete moves email to Gmail Trash and can be undone for 30 days.
Can DeclutrMail see my full emails?
No. We never fetch or store full email contents. DeclutrMail asks Google for one Gmail permission, gmail.modify, and uses it to list the email details shown on our security page and to make the changes you confirm.
How much does DeclutrMail cost?
Free is $0 and lets you clear 50 emails a month; Unsubscribe, Keep, Later, previews and Undo are unlimited. Plus is $90 a year with no monthly limit.
Still deciding between Mailstrom and DeclutrMail?
DeclutrMail is Gmail only for now.
What Google will ask you to allow
Google’s screen asks for one Gmail permission, gmail.modify, and words it more broadly than DeclutrMail uses it: DeclutrMail moves and labels email and never sends email as you. We never fetch or store full email contents.