Coldstart vs CampaignStack

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

Coldstart compared with CampaignStack
Detail	Coldstart	CampaignStack
What it does	Wake up to your next client, already found — with the first email already written	LinkedIn outreach automation that finds qualified leads, writes personalized messages in your voice, books meetings, and prepares you with context.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	NL	Not given
Pricing model	Paid	Freemium
Pricing	€750 per month plus €350 one-time setup (both excluding VAT). Billed monthly in advance via Stripe. Cancel anytime with no minimum term or notice period.	Free: one LinkedIn account, one workspace, 100 credits per day, no card required. Workspace plan: $299/month (monthly) or $249/month (billed annually at $2,988/year), includes 15,000 monthly credits. Each additional workspace costs $299/month. Extra credit packs: $75 for 5,000 credits, $249 for 20,0
Key features	Overnight market monitoring of public signals AI-drafted opening emails in your voice Manual approval required before sending Decision-maker identification links Lead filtering with ruthless rejection Exportable leads and drafts you own Customer zone briefing dashboard No invented facts or guessed email addresses GDPR compliant processing	Lead sourcing from LinkedIn, Apollo, Clay, and CSV Intent detection and buying signals AI-powered message drafting in your voice Human review queue on by default Per-account daily budgets and warm-up ramps Meeting booking and calendar integration Meeting brief with objections and talking points A/B testing with reply scoring Unified inbox across all accounts and workspaces Email sending through Gmail with warm-up
What makes it different	Ruthless rejection of poor fits: one recent run rejected 74 out of 77 companies Timing sends to moments when companies have real, fresh news Uses only public data, no scraped or private information Built and used by the founder on Coldstart's own outreach	Runs safely on client accounts without restrictions AI learns and maintains your personal voice Intelligent lead scoring against your ideal customer Stricter safety limits than LinkedIn itself
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 −1 (down) since last check	10 −1 (down) since last check
Trust Flow (Majestic)	10	6
Citation Flow (Majestic)	6	27
Referring domains (Majestic)	2	37

5 details filled in for both companies.

More alternatives to Coldstart More alternatives to CampaignStack