Mailshake vs SpamCipher

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

Mailshake compared with SpamCipher
Detail	Mailshake	SpamCipher
What it does	A simple solution for email outreach.	AI sales engagement, lead intelligence, deliverability and email security in one platform
Stage	Established	Not given
Founded	Not given	Not given
Based in	Not given	CA
Pricing model	Not given	Freemium
Pricing	Not given	Free trial: 30 days with 100 credits, up to 125 sends, warm-up on 1 mailbox, 1 placement test. SpamCipher ONE: $94.99/month (20% off billed yearly) with 10,000 credits/month, unlimited sending and mailboxes, warm-up for every mailbox, 100 placement tests/month, unlimited team members. Pay-as-you-go
Key features	AI Email Writer (SHAKEspeare) - auto-generate email copy in under a minute Email Deliverability - multiple tools including domain setup, email warm-up, list cleaning, and spam word analysis Data Finder - identify and filter prospects by role, location, or company A/B Testing - test multiple email variations for higher conversion rates	Super Search: B2B database with plain English filtering Multi-step email sequences with conditions and A/B tests Unified inbox (Unibox) for all replies from all mailboxes CRM with deal board and task management Mailbox warm-up with SpamCipher's own seed mailboxes Inbox placement testing across providers DMARC monitoring and domain health scanning Email verification with real SMTP checks Integration with 100+ ESPs and CRMs
What makes it different	SHAKEspeare AI writer available exclusively to Mailshake users Free email warm-up via SMTP included to build email reputation	One unified platform replacing 7+ separate tools (database, sequencer, warm-up, verifier, placement tester, blacklist monitor, DMARC service) All parts share one database and inbox so they see what others see and act together AI agents act automatically on reversible fixes, hold for approval on irreversible changes No charges for unknown email verification results
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)	77 no change since last check	4 no change since last check
Trust Flow (Majestic)	29	4
Citation Flow (Majestic)	51	24
Referring domains (Majestic)	6695	29

3 details filled in for both companies.

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