M91 vs StellarFirm
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 StellarFirm
| Detail | 
M91 | 
StellarFirm |
|---|
| What it does | Human-in-the-loop approval for AI agents
| AI Agents that take on the work, from plan to finished result
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| GR
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| Pricing model | Free
| Not given
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| Pricing | Free forever with all features included
| Alpha is free with free credits for new accounts. Credit packs available: 1,000 credits, 5,000 credits, 20,000 credits. Plans coming soon.
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| 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
| - Approval system for all outputs before publishing
- Cloud-based workspace accessible from browser
- Desktop application for Mac and Windows
- Slack integration for assistant communication
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| 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
| - Human approval required for all outputs that publish or spend money
- Agents hand work to each other automatically
- Agents work continuously even when you sleep
- Choice of cloud hosting or local machine execution
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 73 ● no change since last check | 29 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 1 | 5 |
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| Citation Flow (Majestic) | 1 | 38 |
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| Referring domains (Majestic) | 0 | 12 |
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4 details filled in for both companies.
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