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Seamless.AI® vs Proposify

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

Seamless.AI® compared with Proposify
DetailSeamless.AI®Proposify
What it doesAI-powered lead generation software that helps businesses find verified B2B contacts, direct dials, and emails Professional, branded proposals from conversation to close
StageGrowing Established
FoundedNot given 2013
Based inUS CA
Pricing modelfreemium freemium
PricingFree tier with up to 50 credits. Pro and Enterprise plans available based on team needs. Free trial available with 14-day access to Team plan features. Paid plans start at $19/user/month (Basic) billed annually or $29/month billed monthly. Team plan at $41/user/month annually or $49 quarterly. Business plan custom pricing. Monthly send limits with overage fees.
Key features
  • Email and phone number discovery with real-time verification
  • Buyer intent tracking to identify prospects ready to buy
  • Job changes tracking for key moves and career transitions
  • CRM enrichment to keep contact data clean and updated
  • Chrome extension for lead discovery while browsing
  • Integration with 6,000+ tools including CRMs and platforms
  • AI assistant for automated outreach and workflow tasks
  • Drag-and-drop proposal editor
  • Real-time document tracking
  • E-signatures
  • Content library and templates
  • CRM integrations
  • Approval workflows
  • Interactive quoting
  • API access
What makes it different
  • Real-time data verification instead of stale databases
  • 100% credit back protection if an email is invalid
  • Over 1 million sales leaders using the platform globally
  • AI-powered prioritization that turns engagement into predictable revenue
  • 2x close rate compared to industry average
  • Proposals created in 17 minutes or less on average
  • 43% of proposals won within 24 hours of opening
  • E-signatures increase close rates by 3x
  • Prevents errors by pulling data directly from CRM
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)72 no change since last check76 no change since last check
Trust Flow (Majestic)3436
Citation Flow (Majestic)4748
Referring domains (Majestic)36412706

7 details filled in for both companies.

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