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Inbox Zero preview
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Editorial pick✓ Verified working
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Inbox Zero

Open-source AI assistant for Gmail that drafts, archives, and unsubscribes.

Try Inbox Zero✓ Free trial available

Best for

Best for Gmail power users who want AI-drafted replies, smart unsubscribes, and rules without sending data to Superhuman.

At a glance

Pricing
freemiumfrom $16/mo
Setup time
15 minutes to connect
Learning curve
easy
Last verified
5/21/2026

What we love

  • ✓Open-source — you can self-host
  • ✓Rules system is genuinely flexible
  • ✓Active development and transparent roadmap

Where it falls short

  • −Gmail-only, no Outlook support
  • −Self-hosting still requires technical comfort
  • −AI usage costs add up on heaviest tier

Pricing

✓ Pricing verified May 21, 2026

4 tiers

Free

$0

per month

  • ✓Basic bulk unsubscribe
  • ✓Limited AI credits
  • ✓Open-source code access

Basic

$16

per month, billed annually

  • ✓Full AI assistant
  • ✓Unlimited rules
  • ✓Cold email blocker

Pro

$24

per month, billed annually

  • ✓Higher AI usage
  • ✓Priority support
  • ✓Advanced analytics

Business

Custom

annual contract

  • ✓Team seats
  • ✓SSO
  • ✓Dedicated support

Why we picked it

Inbox Zero is the rare open-source productivity tool with real polish. The AI assistant rules feel a generation ahead of Gmail-native filters.
— MoreAI.tools editor

Overview

Inbox Zero is an open-source AI email assistant built specifically for Gmail. It writes drafts, runs rules on incoming mail, makes unsubscribing one click, and provides a sender-by-sender analytics view. Self-hostable for the privacy-minded.

Key features

  • ●AI assistant with prompt-based rules
  • ●One-click unsubscribe and block
  • ●Bulk archive by sender
  • ●Sender analytics dashboard
  • ●AI draft replies in your voice
  • ●Cold email blocker
  • ●Self-hostable open-source codebase

Best use cases

Newsletter cleanup

Bulk unsubscribe and archive by sender from one dashboard.

AI rules

Tell it in plain English: archive shipping notifications and label receipts.

Drafted replies

Pre-drafts reply suggestions you can edit and send.

Integrations

Gmail
Google Workspace
OpenAI
Anthropic
Self-hosted Docker
GitHub
Webhooks

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