Sellbird vs Promu

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

Sellbird compared with Promu
Detail	Sellbird	Promu
What it does	The outreach platform for your AI agent	AI lead generation and cold email outreach platform for B2B teams
Stage	Not given	MVP
Founded	Not given	Not given
Based in	US	NL
Pricing model	Free trial	Free trial
Pricing	Hosted Sellbird is in early access with pricing to be shared before launch. Email accounts and AI plans are billed separately by their providers. Domain purchases and additional inboxes incur separate charges.	Starter plan: €37 a month for 5,000 emails and 100 Lead Finder leads. Plans priced by the number of emails sent. 14-day free trial for up to 250 leads with 5,000 emails and 300 assistant chat messages.
Key features	Find companies matching your customer profile with buying signals AI agent integration over MCP protocol Personalized email drafting from research Draft approval workflow by default Email warmup and sending infrastructure Reply collection and sorting Agent-drafted reply responses Support for Google Workspace and Microsoft 365 CSV export of contacts and lists	AI-powered lead research and prospect finding Personalized email writing in your voice Email approval workflow with optional auto-send Deliverability protection with SPF, DKIM and DMARC Address verification and intelligent pacing Integrations with HubSpot, Pipedrive and Salesforce Lead Finder database for new prospect discovery CSV and Google Sheet import Unibox for team conversation management API, webhooks and A/B testing on Scale plan
What makes it different	Works with the AI agent you already use—no competing AI, no additional AI costs Human approval on by default—every email, purchase and reach requires human approval Open-source and self-hostable version is free Email verification works independently without running full outreach Agents work offline after scheduling—emails send and replies collect 24/7	Finds prospects AND writes personalized emails, not just templates Learns your tone and voice from your emails Data stored only in EU with data processing agreement Pay per email sent, not per seat or inbox Built-in deliverability and sender reputation protection
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	4
Referring domains (Majestic)	0	1

6 details filled in for both companies.

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