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Antideo 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.

Antideo compared with Email Spam Tester
DetailAntideoEmail Spam Tester
What it doesAPI for IP and Email Intelligence & Phone Number Validation Test real inbox placement and 42 technical checks with no signup required
StageEstablished Established
FoundedNot given 2026
Based inIN Not given
Pricing modelfreemium freemium
PricingFree plan with 10 requests/hour. Paid plans from $5/month (50 requests/hour) to $80/month (2000 requests/hour). All plans include email validation, IP reputation, and phone validation. Not given
Key features
  • Email validation with disposable email detection
  • IP reputation checking
  • Phone number validation
  • IP geolocation detection
  • MX records check
  • Priority support for paid plans
  • 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
  • 240,000+ API calls served daily with proven track record
  • Continuously updated spammer and disposable email lists
  • Lifetime free plan available
  • 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)35 no change since last check18 no change since last check
Trust Flow (Majestic)2617
Citation Flow (Majestic)3225
Referring domains (Majestic)37735

5 details filled in for both companies.

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