#90 in Collaboration & CommunicationUpdated 2026-08

UnInbox

by UnInbox · Shared inboxes, infinite addresses, and per email workflows

15 — BenchRank score out of 100

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Pricing page

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Overview

UnInbox is an open source email tool for teams. Shared spaces let members comment on conversations and reply from shared addresses, while workflow statuses track whether an email has been answered. An account can add an unlimited number of addresses such as support@, billing@ or careers@ on its own domains.

Best for: Teams sharing email addresses that need to track who has replied, using an open source tool
Pricing: Free tier at $0, then $12/month per user for Pro; Enterprise is contact sales with a 30-user minimum.
Runs on: Web

Strengths and trade-offs

Strengths

Shared spaces let teams comment and reply from shared addresses
Workflow statuses record whether an email has been answered
Unlimited custom domains and addresses on the Pro tier
Open source, with a free tier at $0

Trade-offs

Free tier is limited to an @uninbox.me address and personal spaces
Free tier keeps raw email for only 7 days; Pro retention is not stated
Enterprise requires a minimum of 30 users
Pro lists 'Everything in Plus', but no Plus tier is published

Pricing

Published plans from UnInbox’s own pricing page, in USD. Usage charges and add-ons may apply on top.

UnInbox pricing tiers, monthly rates in USD
Plan	Monthly	Includes
Free	Freeper user	@uninbox.me email address Personal spaces, 3 workflows per space 7 day raw email retention Community/email support
Pro	$12per user	Unlimited custom domains and teams Unlimited shared and public spaces SMTP and API access, convo assignees Priority chat and video call support
Enterprise	Contact sales	30 users minimum, everything in Pro Dedicated instance and custom IP SAML SSO 10 year convo activity and raw email retention

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 0 out of 100
Documentation: 0 out of 100
Agent friendliness: 41 out of 100
Changelog: 0 out of 100
Marketing site structure: 60 out of 100
Operational trust: 0 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 30 out of 100
Maintenance: 65 out of 100

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