How much does Inbox Zero cost?
- 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
- 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 drafting
Drafts replies in your voice
- Matches your writing tone
every 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 triage
Sorts and labels every email
- Gmail integration
We support Gmail, Google Workspace, and Microsoft Outlook email accounts.
- Outlook integration
We support Gmail, Google Workspace, and Microsoft Outlook email accounts.
- Shared inbox and team features
Team-wide analytics
- Meeting notes and follow-ups
AI 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
| Question | Their answer | Where 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 2 | SOC 2 Type 2 certified | "Enterprise-grade security. SOC 2 Type 2 certified"home |
| GDPR | Acts as data controller and processor under GDPR | "Inbox Zero acts as the 'data controller' under GDPR and similar data protection laws."privacy |
| CCPA | Not stated | |
| PCI | Not stated | |
| ISO 27001 | Not stated | |
| Single sign-on | Enterprise plan | "Need SSO, SCIM, on-premise deployment, or a dedicated account manager?"pricing |
| Trust center | security.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
| Plan | Monthly | Billed yearly | Included | Over the allowance | Where 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
Mailbutler€3 /mochecked Oct 29, 2026
Mailmeteor$5.99 /moFree plan · checked Oct 29, 2026
Serif$27 /mochecked Oct 29, 2026
Gemini in Gmail (Google Workspace)$7 /mochecked Oct 29, 2026
Spark Mail$8.25 /moFree plan · checked Oct 29, 2026
Missive$14 /mochecked Oct 29, 2026
MailMaestro$12 /moFree plan · checked Oct 29, 2026Reviews 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."
