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Inbox Zero pricing

Inbox Zero is an AI email assistant for Gmail and Outlook that labels emails, drafts replies in your voice, blocks cold email and bulk unsubscribes.

AI email assistantsFree planSelf-serve + sales
Visit Inbox ZeroPrices checked Oct 29, 2026

How much does Inbox Zero cost?

Paid plans start at $18/mo billed yearly or $20/mo billed monthly
Free plan
Yes
Free trial
7-day free trial on AI plans; credit card required, not charged until trial ends
Enterprise
Contact sales

In your favor

  • No long-term contract. Cancel anytime; subscription stays active until end of billing period
  • Free plan. The email app is free to use on web, desktop and iPhone; the AI assistant is a paid add-on

How you buy and get started

Self-serve + salesButtons on their site: Try free for 7 days, Get started free, Talk to sales, Speak to sales
Sign up
Self-serve signup via Google or Microsoft login
"Sign in with Google"
Setup
One-click setup in minutes
"One-click setup. Start organizing and drafting replies in minutes."
When sales steps in
Enterprise needs: SSO, SCIM, on-premise deployment, dedicated account manager
"Need SSO, SCIM, on-premise deployment, or a dedicated account manager?"
Support
Priority support on Professional
"Priority support"

What Inbox Zero does

Inbox Zero connects to Gmail, Google Workspace or Outlook accounts to sort and label incoming mail, pre-write reply drafts, and clean out newsletters. It also offers a free email app and an open-source, self-hostable codebase.

Good for
Founders, operators, executives and professionals with high email volume, plus teams that want team-wide analytics and enterprise SSO.
Channels
Web, Mac, Windows, iPhone, Android, Slack, Telegram, Microsoft Teams
Main product
AI email assistant (hosted, open source) plus a free email app for Gmail and Outlook
Also includes
Automatic labeling and sorting of every email, Pre-drafted replies in your voice, Cold email blocker, Bulk unsubscribe and archive, Email analytics, Pre-meeting briefings
Connects to
Gmail, Google Workspace, Microsoft Outlook, Slack, Telegram, Microsoft Teams, Notion, Stripe, Calendar, CRM
Public API
Not stated
MCP server
Not stated
  • AI reply draftingDrafts replies in your voice
  • Matches your writing toneevery email needing a response will have a pre-drafted reply in your tone, ready for you to send.
  • Email thread summariesNot stated
  • Auto labeling and triageSorts and labels every email
  • Gmail integrationWe support Gmail, Google Workspace, and Microsoft Outlook email accounts.
  • Outlook integrationWe support Gmail, Google Workspace, and Microsoft Outlook email accounts.
  • Shared inbox and team featuresTeam-wide analytics
  • Meeting notes and follow-upsAI meeting notetaker

The same 8 checks appear on every tool in AI email assistants. Each tick quotes the vendor's own site.

Security and your data

QuestionTheir answerWhere it says so
Trains AI on your data?no"We do not allow those providers to train their AI models using your data."privacy
HIPAA (signs a BAA)Not stated
SOC 2SOC 2 Type 2 certified"Enterprise-grade security. SOC 2 Type 2 certified"home
GDPRActs as data controller and processor under GDPR"Inbox Zero acts as the 'data controller' under GDPR and similar data protection laws."privacy
CCPANot stated
PCINot stated
ISO 27001Not stated
Single sign-onEnterprise plan"Need SSO, SCIM, on-premise deployment, or a dedicated account manager?"pricing
Trust centersecurity.getinboxzero.com"Learn more about our security posture at [security.getinboxzero.com](https://security.getinboxzero.com)."about

Security answers are the vendor's own claims, quoted. We don't audit them.

Every plan

PlanMonthlyBilled yearlyIncludedOver the allowanceWhere it says so
Starter/user /month $20 $18per month –Limited knowledge base – "$20" "$18"
Plus/user /month $35 $28per month 2 email accounts per user – "$35" "$28"
Professional/user /month $50 $42per month 2 email accounts per user – "$50" "$42"
Email app – – – – "A fast email app for Gmail and Outlook. Free on web, desktop, and iPhone."
Enterprise Quote – – – "Need SSO, SCIM, on-premise deployment, or a dedicated account manager?"

Free plan: The email app is free to use on web, desktop and iPhone; the AI assistant is a paid add-on

Fine print

Billing increment
Not stated
Billed beyond usage
Not stated
Contract
Cancel anytime; subscription stays active until end of billing period
"You can cancel anytime. Your subscription will remain active until the end of the billing period."
Refunds
Refund if requested by email within 14 days of upgrading
"Yes, if you don't think we provided you with value send us an email within 14 days of upgrading and we'll refund you."
Auto renew
Not stated
Price change notice
Not stated

"Not stated" means we read their pricing page and terms and they don't say.

About the company

Legal name
Inbox Zero Inc.
Address
131 Continental Dr, Suite 305, Newark, Delaware, 19713, United States
Online since
Jul 3, 2023
Domain registration date
Ships updates
0 in the last 12 months
Last on Aug 28, 2024, from their changelog
Customers
"25,000+ professionals"
their claim

Inbox Zero alternatives

Reviews elsewhere

We link to reviews instead of copying ratings: those sites don't allow reuse, and we don't test products ourselves.

Questions

Is Inbox Zero free?

Yes. The email app is free to use on web, desktop and iPhone; the AI assistant is a paid add-on Paid plans start at $20/month.

How much does Inbox Zero cost?

Paid plans start at $18 per month billed yearly, or $20 billed monthly.

Does Inbox Zero train AI on your data?

No, according to Inbox Zero: "We do not allow those providers to train their AI models using your data."