| DocuSign | Businesses that sign frequently | Scales for high-volume workflows; templates & PowerForms | From $15/month (Personal); higher tiers for teams/enterprise |
| Preview (macOS) | Occasional signers on Mac | Built-in, free macOS signing with trackpad/iPhone capture | Free (included with macOS) |
| Adobe Acrobat Reader | Occasional signers on Windows/PC | Fill & Sign; certified copies with simple audit trail; 2 sends/month free | Free (with limited sends) |
| eSignatures.com | Pay-as-you-go usage / automation | Pure pay-per-document model + API & Zapier integrations | $0.49/document (bulk discounts available) |
| SignWell | Free basic signing / light users | Generous free tier (3 docs/mo) and easy templates | Free (3 docs/mo); paid plans from $12/month |
| SignNow | Small teams / collaborative workflows | Unlimited templates, team seats, strong mobile apps | From $20/month (Business) — lower rates if billed annually |
