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M91 vs Sumus

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 Sumus
DetailM91 logo M91Sumus logo Sumus
What it doesHuman-in-the-loop approval for AI agents AI teammates for work and life, available 24/7
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingFree forever with all features included Free: 1,000 credits per month, up to 3 members, up to 10 AI teammates, no credit card required. Plus: $24/month or $240/year, 3,600 credits per month, up to 25 members, up to 300 AI teammates, detailed usage reports, optional monthly credit add-ons. Extra credits: $20/month for 4,000 extra credits (
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
  • Multiple AI models in one chat (Claude, GPT-6, Grok, Gemini, DeepSeek)
  • AI teammates collaborate and divide work automatically
  • Shared conversations with people and AI agents
  • Integration with existing tools (Google Sheets, calendars)
  • Pre-built AI Employees for work roles
  • Cross-model review and verification
  • Works 24/7 in browser
  • Separate work and life spaces
  • Invite family, friends, and teammates to collaborate
  • No separate AI model subscriptions required
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
  • AI teammates work together in one chat to complete tasks instead of one-to-one AI responses
  • Access all major AI models (Claude, GPT, Grok, Gemini, DeepSeek) in one place without separate subscriptions
  • AI agents automatically divide work, assign tasks, and deliver finished results
  • Works with existing tools without moving data or creating new workspaces
  • Designed for both solo work and team collaboration with friends, family, or coworkers
Community votes00
DR (Domain Rating by Ahrefs)73 no change since last check30 +1 (up) since last check
Trust Flow (Majestic)11
Citation Flow (Majestic)118
Referring domains (Majestic)078

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