Happy Valley

MachineMail vs Twist

MachineMail and Twist are both team communication tools. MachineMail is aimed at developers and small businesses, while Twist is aimed at small businesses. Twist costs less, from $8/mo versus $9/mo for MachineMail. Both have a free plan.

MachineMail

Email API and MCP server that gives AI agents inboxes of their own

Twist

Async-first team communication

PricingFreemium · $9Freemium · $8
Starting price$9/mo$8/mo
Free planYesYes
Free trial——
Built forDevelopers, Small businessesSmall businesses
Platformswebweb, macos, windows, ios, android
Country—US · 2017
Rating——

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).

Choose Twist if

Remote, async-first teams.

  • Reduces chat overload
  • Async-friendly
  • Affordable

Look elsewhere if: Real-time chat cultures.

MachineMail vs Twist pricing

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

Twist

  • Free$01 month of history, 5 integrations, 5 GB
  • Unlimited$8/user/mo$6/user/mo billed yearly; full history

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

Twist · Key features

  • Threaded conversations
  • Channels
  • Inbox for unread threads
  • Integrations
  • Search
  • Calm notifications

Cons

  • Less real-time
  • Smaller ecosystem
  • Adoption requires culture shift

MachineMail vs Twist: FAQ

Which is cheaper, MachineMail or Twist?

Twist starts at $8/mo and MachineMail at $9/mo. Both prices are checked on the vendors' own pricing pages.

Do MachineMail and Twist have a free plan?

Yes, both MachineMail and Twist have a free plan; paid plans add more usage and features.

Not sure yet?