Last updated 08-14-2026
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Inbox Zero
Inbox Zero connects to Gmail or Outlook and uses AI to label incoming mail, draft replies in your voice, and surface what needs attention first. You get pre-written responses waiting when you open your inbox, plus bulk unsubscribe tools for newsletters you never read. The product works on web, iOS, Android, Slack, and Telegram so you can triage mail without living in your email tab.
Most email assistants stop at summarization. Inbox Zero also blocks cold emails, files attachments automatically on higher tiers, and pulls calendar and CRM context into drafts so scheduling replies match your real availability. The codebase is open source with 9k GitHub stars, SOC 2 Type 2 certification, and a self-host option for teams that want full control.
Starter plans cover solo operators who want labels, analytics, and reply drafts. Plus adds Slack, Notion, Stripe integrations, and an unlimited knowledge base. Professional adds team analytics and dedicated onboarding. Over 20,000 professionals use Inbox Zero, and every paid plan includes a 7-day free trial.
Connect Gmail or Outlook in two clicks and auto-label mail into categories like To Reply, Newsletter, and Urgent
Pre-drafted replies in your tone appear for every email that needs a response
Bulk unsubscribe and archive shows newsletters you never read with one-click cleanup
Works on Slack, Telegram, iOS, Android, and web without switching apps
Starter plan at $20 per user per month includes analytics and cold email blocking
Open-source codebase with 9k GitHub stars and SOC 2 Type 2 certification
Pre-drafted replies save time compared to assistants that only summarize threads
Open-source code and self-host option suit security-conscious teams
Multi-channel access through Slack, Telegram, and mobile reduces tab switching
7-day free trial on all tiers lowers risk before committing
Bulk unsubscribe tool addresses newsletter overload directly
Microsoft Teams integration is listed as coming soon
Higher tiers required for Slack and unlimited knowledge base features
Per-user pricing from $20 to $50 adds up for larger teams
Enterprise SSO and SCIM require contacting sales separately
Does Inbox Zero work with Gmail and Outlook?
Yes. Inbox Zero connects to Gmail or Microsoft Outlook in two clicks. It sorts, labels, and drafts replies across your connected account from web, mobile, Slack, or Telegram.
How much does Inbox Zero cost?
Inbox Zero Starter is $20 per user per month, Plus is $35, and Professional is $50. All plans include a 7-day free trial with no hidden fees.
Can I try Inbox Zero for free?
Yes. Every Inbox Zero plan includes a 7-day free trial. You can cancel anytime and annual billing saves up to 20%.
Is Inbox Zero open source?
Yes. Inbox Zero publishes its code on GitHub with 9k stars. Teams can self-host for full control, and the product holds SOC 2 Type 2 certification.
Does Inbox Zero train on my emails?
No. Inbox Zero states your data stays private with no AI training on your mail. The product is privacy-first and offers enterprise SSO and on-premise deployment.
What integrations does Inbox Zero support?
Inbox Zero Plus includes Slack, app integrations like Notion and Stripe, and an unlimited knowledge base. It also connects to your calendar and CRM for schedule-aware drafts.