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M91 vs Shipnaut

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

M91 compared with Shipnaut
DetailM91 logo M91Shipnaut logo Shipnaut
What it doesHuman-in-the-loop approval for AI agents You ship. It sells.
StageNot given Startup
FoundedNot given 2025
Based inNot given TR
Pricing modelFree Not given
PricingFree forever with all features included Free: $0/month, finds 50 people a month with drafts you send from your own email. Solo: $39/month, finds 400 people a month, sends and follows up from own domain and mailbox. Growth: $99/month, finds 1,600 people a month, sends and follows up. Extra mailboxes: $7.50/month each. Domains: approximatel
Key features
  • Alerts on iPhone and Android with answer buttons
  • Phone call escalation for high and critical alerts
  • Breaks through silent mode and Do Not Disturb
  • Attachments and notes on every alert
  • Broadcast to a channel with one person taking ownership
  • See who acted and who ignored alerts
  • Answer buttons set by you or your AI
  • Callback webhooks to return answers to your code
  • Setup via pasted prompt or API key-free send link
  • Integration with AI frameworks, automation platforms and HTTP API
  • Analyzes product from website, repository, and documentation
  • Finds and verifies prospect contacts
  • Writes personalized outreach emails
  • Sends from pre-warmed company domains
  • Answers and qualifies replies
  • Updates CRM and calendar from reply data
  • Adjusts strategy based on performance metrics
  • Integrates with CRM, calendar, and communication tools
  • Provides weekly reports and insights
What makes it different
  • Full-volume alerts that interrupt even when phone is silenced
  • No SDK, API key or card required to start
  • Free forever with every feature for every team member
  • Escalates to phone calls for critical alerts that go unanswered
  • Works with existing AI agents, workflows and monitoring tools
  • Manages its own infrastructure and sending domains for you
  • Operates 24/7 autonomously without requiring your supervision
  • Full control: pause campaigns, withdraw permissions, or adjust strategy instantly
  • Transparent actions with explanations of what changed and why
Community votes00
DR (Domain Rating by Ahrefs)73 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)119
Referring domains (Majestic)05

4 details filled in for both companies.

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