Free for macOS

Stop drowning in email.

Bulk-clean your Gmail inbox by sender — see who's flooding you, unsubscribe, and delete in one click.

Mailstrom app showing sender domains list with email counts, bulk delete and unsubscribe controls

Your inbox is a mess.

You've got thousands of unread emails. Newsletters you subscribed to years ago. GitHub notifications from repos you forgot existed. Marketing blasts from every SaaS tool you ever trialled.

You've tried inbox zero. You've tried filters. You've tried ignoring it. Nothing sticks because the problem isn't discipline — it's that cleaning up email one-by-one doesn't scale.

You need to see the big picture — who's actually flooding your inbox — and clean it up in bulk.

How it works

Connect via OAuth

Analyze by sender

Mailstrom scans your inbox and groups every email by sender domain. Instantly see who's flooding you.

Bulk clean

Select senders, hit delete. Unsubscribe and remove hundreds of emails in a single click.

Features

Sender Tree View

See your entire inbox grouped by domain and sender. Instantly spot who sends you the most email — and how much.

One-Click Bulk Delete

Select one sender or ten. Delete hundreds of emails at once instead of clicking through them one by one.

Smart Unsubscribe

Detect unsubscribe links automatically. Clean up and unsubscribe in a single workflow — no more hunting for tiny footer links.

Privacy-First

Everything runs locally on your Mac. No cloud servers, no data collection. Your email never leaves your device.

Your email stays on your Mac.

Mailstrom is a native macOS app. It connects to Gmail through OAuth — meaning it never sees your password and you can revoke access anytime. All processing happens locally. There are no cloud servers, no analytics, no data leaving your machine.

No cloud servers OAuth — no password access Revoke anytime

Before you clean up

Mailstrom is provided as-is. Deleted emails are moved to Gmail's Trash, where they can be recovered for 30 days — after that, they're gone for good. Always review your selections before deleting. Mentilead is not responsible for any emails removed through the app.

You can revoke Mailstrom's access anytime via your Google account settings.

Take back your inbox.

Download for macOS

Free · macOS · v0.1.0

Installation requires a quick Terminal step

Mailstrom is free and open-source but not signed with an Apple Developer certificate. macOS will block unsigned apps by default, so you need to remove the quarantine flag after installing. This is a one-time step.

1

Open the DMG and drag Mailstrom to Applications

Double-click the downloaded Mailstrom.dmg file and drag the app icon into your Applications folder.
2
Remove the quarantine flag via Terminal

Open Terminal (search for it in Spotlight with ⌘ Space) and paste this command:
```
xattr -cr /Applications/mailstrom.app
```
This tells macOS it's safe to open the app. You only need to do this once.
3

Open Mailstrom from Applications

Launch the app normally. If macOS still shows a warning, right-click the app and choose Open instead of double-clicking.

Why is this needed? Apple requires developers to pay $99/year for a signing certificate. Mailstrom is a free, open-source project, so we skip that cost and pass the savings to you. The app is fully open-source — you can inspect every line of code.