Linear vs MachineMail
Linear and MachineMail are both developer tools tools aimed at developers and small businesses. MachineMail costs less, from $9/mo versus $10/mo for Linear. Both have a free plan.
Issue tracking built for fast software teams
Email API and MCP server that gives AI agents inboxes of their own
| Pricing | Freemium · $10 | Freemium · $9 |
| Starting price | $10/mo | $9/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Developers, Small businesses | Developers, Small businesses |
| Platforms | web, macos, windows, ios, android | web |
| Country | US · 2019 | — |
| Rating | — | — |
Choose Linear if
Product and engineering teams from 3 to a few hundred people who ship continuously and want speed over configurability.
- Fastest issue tracker in day-to-day use; keyboard-first design
- Opinionated structure keeps teams consistent without configuration
- Excellent GitHub, Slack and Sentry integrations
Look elsewhere if: Organizations that need bespoke workflows, custom issue hierarchies, or a single tool for marketing, HR and engineering.
Choose MachineMail if
Developers building AI agents that need their own email addresses and a safe way to read untrusted inbound mail.
- Unlimited inboxes are free on every plan
- Trust layer addresses prompt injection and phishing in email
- AgentMail-compatible API makes switching a config change
Look elsewhere if: Teams that only need to send transactional or marketing email from an app (Resend).
Linear vs MachineMail pricing
Linear
- Free$0Unlimited members, 2 teams, 250 issues
- Basic$10/user/moBilled yearly; 5 teams, unlimited issues and uploads, admin roles
- Business$16/user/moBilled yearly; unlimited teams, private teams, Insights, Asks
- EnterpriseCustomAnnual only; SAML, SCIM, advanced security
MachineMail
- Free$03,000 messages/mo (100/day), 1 GB, 1 custom domain, 1 seat
- Pro$9/mo7,500 inbound, 2,500 outbound, 10 GB, 10 domains, unlimited seats
- Team$49/mo45,000 inbound, 15,000 outbound, 30 GB, 50 domains, unlimited seats
- Scale$199/mo200,000 inbound, 65,000 outbound, 150 GB, 250 domains, Slack support
Linear · Key features
- Cycles (sprints) with automatic rollover and capacity view
- Projects and initiatives with milestones, updates and roadmap views
- Triage inbox for bugs and requests from Slack, Intercom, Zendesk and Sentry
- GitHub/GitLab automation: branch naming, PR links and auto-close on merge
- Insights dashboards for velocity, scope change and cycle time
- Local-first sync engine; the app works offline and feels instant
Cons
- Limited customization compared with Jira (no custom issue types)
- Reporting is improving but still lighter than enterprise tools
- Not designed for non-engineering departments
MachineMail · Key features
- Free inboxes on machinemail.dev or your own domains, ephemeral or permanent
- Trust report and level on every inbound message
- Agent-safe text with hidden text and zero-width characters removed
- Hosted MCP server with 17 tools, including wait_for_message
- Catch-all domains that create an inbox on first delivery
- Pods and scoped API keys to separate customers or agents
Cons
- New service that publishes no team, legal entity or address on its site
- Free plan caps mail at 100 messages a day
- No annual pricing listed
Linear vs MachineMail: FAQ
Which is cheaper, Linear or MachineMail?
MachineMail starts at $9/mo and Linear at $10/mo. Both prices are checked on the vendors' own pricing pages.
Do Linear and MachineMail have a free plan?
Yes, both Linear and MachineMail have a free plan; paid plans add more usage and features.