M91 vs Ottermind
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 Ottermind
| Detail | 
M91 | 
Ottermind |
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| What it does | Human-in-the-loop approval for AI agents
| AI agent workspace that turns ideas into finished, editable work
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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
| SG
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| Pricing model | Free
| Freemium
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| Pricing | Free forever with all features included
| Free plan with 50 one-time welcome credits and 1 GB cloud storage. Otter Solo: $16/month (billed yearly, regularly $19/month) with 2,000 credits/month and 5 GB cloud storage. Otter Squad: $39/month (billed yearly, regularly $49/month) with 5,500 credits/month and 50 GB cloud storage. Otter Colony: $
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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
| - Retains context across projects and files
- Acts across tools and connected services
- Adapts to user preferences and patterns
- Works across web, desktop, and mobile
- AI PPT generation with GPT Image 2
- Editable results after generation
- Multiple AI model support
- Data privacy and security controls
- Cloud computer resources
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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
| - Works for you instead of just chatting—retains memory, orchestrates agents, and carries tasks across steps
- Keeps project context organized in one workspace rather than scattered across chats
- Delivers editable, finished results instead of just raw outputs
- Learns from your work and adapts to your preferences over time
- Built for resilience with error recovery and approval controls
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 73 ● no change since last check | 32 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 1 | 9 |
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| Citation Flow (Majestic) | 1 | 40 |
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| Referring domains (Majestic) | 0 | 239 |
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5 details filled in for both companies.
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