Inbox Zero

Updated May 11, 2026
Inbox Zero
Inbox Zero screenshot
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Review
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Comparison7

Review Summary

Review Summary

Inbox Zero is an open-source AI email assistant that helps you label and organize your emails, and bulk unsubscribe from newsletters. It requires Google Workspace or Microsoft as the foundation.

What is Inbox Zero?

What is Inbox Zero?

Inbox Zero (not to be confused with what Superhuman Mail refers to getting through all your emails) is a layer atop your Gmail that helps you to easily unsubscribe from newsletters and automate label/forwarding flows all via AI.

The area that we use and love with Inbox Zero is where it helps us tame our email inbox, sort of like Mailman, but it focuses more on actually leveraging AI to automatically take action on your email (or unsubscribe if you're getting many newsletters but not reading any of them:

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Inbox Zero Unsubscribe and Percentage Read Newsletter Functionality

Key Features

Key Features

Open-Source

Open-Source

One thing to keep in mind with Inbox Zero (and how it differentiates from its competitors) is that it is an open source AI email assistant with thousands of stars on GitHub, so go and check out the code yourself if you'd like:

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Inbox Zero Open-Source GitHub Repo

Pricing

Pricing
  • Basic: $6/month on annual tier + $1.50/month for each additional email account
  • Business: $12/month on annual tier + $3/month for each additional email account

Categories

Categories

Inbox Zero fits into multiple categories based on what it actually helps you do. Each category highlights a different strength and the efficiency points it earned, helping you compare tools not just by features, but by how well they actually perform.

AI Email AssistantMain
Open Source
Productivity

Keep exploring the best software across categories, or explore Inbox Zero alternatives