M91 vs Brevin

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 Brevin
Detail	M91	Brevin
What it does	Human-in-the-loop approval for AI agents	Humane AI personal assistant
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	IN
Pricing model	Free	Paid
Pricing	Free forever with all features included	$20 per month billed monthly or $240 per year
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	Completes tasks automatically Keeps you informed of actions Preserves user autonomy Available on Mac, iPhone and Android Easy account management in Mac app
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	Asks which parts of the work you'd rather keep Designed to be humane
Community votes	0	0
DR (Domain Rating by Ahrefs)	73 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	1	0
Referring domains (Majestic)	0	0

5 details filled in for both companies.