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PartnerStack vs Email Spam Tester

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

PartnerStack compared with Email Spam Tester
DetailPartnerStackEmail Spam Tester
What it doesAI-native Partner Relationship Management platform for B2B SaaS partnerships Test real inbox placement and 42 technical checks with no signup required
StageEstablished Established
FoundedNot given 2026
Based inNot given Not given
Pricing modelsubscription freemium
PricingLaunch plan starts at $1000/month; Growth plan at $1520/month; Enterprise plan with custom pricing Not given
Key features
  • AI-powered lead submission
  • Partner recruitment and activation
  • Custom onboarding and enablement journeys
  • Full-funnel analytics and reporting
  • Automated commission payouts
  • Partner tracking and monitoring
  • PartnerStack AI integration
  • CRM integrations
  • Partner marketplace access
  • Real inbox placement testing in Gmail, Outlook, Yahoo and more
  • 42 technical checks across authentication, infrastructure, content and compliance
  • SPF, DKIM and DMARC verification
  • Blocklist lookup across 20+ DNS blocklists
  • SpamAssassin-compatible spam score
  • Link reputation checking
  • HTML structure analysis
  • Bulk sender rules for Gmail and Yahoo compliance
  • Fix plan with recomputed score for corrections
  • API and MCP server integration options
What makes it different
  • AI-native PRM with live AI tool integration
  • Supports all partner types in one platform
  • Largest B2B partner network
  • Fast onboarding
  • Automated commission calculation and payment
  • Two independent spam engine scores instead of one, including Gmail and Yahoo 2024 bulk sender rules
  • Fix plan recomputes points by scoring corrected message rather than estimating
  • No account, signup or credit card required to run tests
  • Built by practitioner with years of live sending infrastructure debugging experience
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)81 no change since last check18 no change since last check
Trust Flow (Majestic)5117
Citation Flow (Majestic)5925
Referring domains (Majestic)728035

5 details filled in for both companies.

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