Signstamp vs Warmerly

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

Signstamp compared with Warmerly
Detail	Signstamp	Warmerly
What it does	Professional email signatures, made in minutes	Email warmup and cold outreach software that warms Gmail and Outlook mailboxes before sending campaigns
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $0 forever (3 saved signatures, core templates, Signstamp branding included). Pro: $5/month billed $60/year (save 44%) or $9/month billed monthly (unlimited signatures, branding removed, contact capture, priority support). Lifetime: $49 one-time for Pro features forever (first 100 customers on	Free: $0/month for 1 mailbox with capped campaign sends. Starter: $19/month for 5 mailboxes with unmetered sending and 7-day trial. Growth: $49/month for 25 mailboxes. Agency: $179/month for 100 mailboxes. OneMail hosted mailboxes: $0.99–$2.99/month per mailbox depending on plan. Annual billing is t
Key features	Email signature builder with live preview and customizable templates 100+ searchable signature templates across professions Digital business card with QR code contact saving Video call banners for Zoom and Google Meet Click and view analytics on signatures and cards Group templates for role-based signature formats Deployment log to confirm team rollout completion Copy-paste to Gmail, Outlook, Apple Mail, and other clients Contact capture from business cards on Pro plan	Daily DNS checks for SPF, DKIM, DMARC and blocklists Unified inbox for all replies from all mailboxes sorted by intent AI-powered first line opener using prospect's website data OneMail hosted mailboxes with pre-configured DNS LinkedIn integration for warmup and outreach in same sequence Lead database with email finder and verification before sending
What makes it different	No credit card required to create and copy a signature Free plan is genuinely usable without watermarks or crippling limits Team deployment without enterprise complexity or sales calls Brand consistency with individual flexibility Minimal permission requests for email inbox access	Flat-rate pricing by mailbox count with no per-email fees, even on paid plans Threaded warmup emails that mimic real email conversations instead of ping-pong Unified inbox collects all replies from every mailbox in one queue Automatic spam rescue moves warmup messages out of junk automatically LinkedIn and email outreach in one platform without separate tools
Community votes	0	0
DR (Domain Rating by Ahrefs)	8 −1 (down) since last check	24 −1 (down) since last check
Trust Flow (Majestic)	19	3
Citation Flow (Majestic)	20	27
Referring domains (Majestic)	16	31

5 details filled in for both companies.

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