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zSign vs Popform

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

zSign compared with Popform
DetailzSign logo zSignPopform logo Popform
What it doesLegally binding e-signatures with prepaid credits, no per-seat pricing AI-powered contract management and e-signatures with unlimited documents for one flat price
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Not given
PricingStarter: $27 USD for 50 envelopes (54¢ each); Growth: $87 USD for 250 envelopes (34.8¢ each); Scale: $297 USD for 1,000 envelopes (29.7¢ each); White-label: $49 USD/month with 100 envelopes/month included. Free: 3 envelopes after email verification, 25 after referral signup. Free 14-day trial with all features. Pro plan: $11/mo per user billed annually (save 42% compared to monthly billing).
Key features
  • Court-ready audit trail with SHA-256 hashes and timestamps
  • ESIGN/UETA compliant legally binding signatures
  • No per-seat pricing; add unlimited teammates
  • Credits never expire
  • Template links for reusable signature requests
  • White-label branding with custom domain and email
  • Programmatic credit purchases via API
  • 3 free envelopes after email verification
  • Unlimited e-signatures
  • AI field detection
  • AI data extraction
  • Audit trails
  • Contacts and companies management
  • Team workspaces
  • PDF tools
  • MCP server for AI integration
  • Mobile optimized signing
  • Email notifications
What makes it different
  • Pay per envelope, not per user seat
  • No subscription required; credits never expire
  • Built for AI agents with MCP server support
  • Court-ready tamper-evident completion certificates
  • Referral program pays 30% lifetime commission
  • One simple flat-rate pricing with all features included
  • Connected to Claude, ChatGPT, and any MCP-compatible AI assistant
  • AI automatically detects and extracts contract data
  • ESIGN and UETA compliant for legally binding signatures
  • AWS-based infrastructure with ISO 27001 certification
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check26 no change since last check
Trust Flow (Majestic)07
Citation Flow (Majestic)2230
Referring domains (Majestic)24123

4 details filled in for both companies.

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