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Certified Payroll vs Zap Bill

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

Certified Payroll compared with Zap Bill
DetailCertified Payroll logo Certified PayrollZap Bill logo Zap Bill
What it doesFile your Davis-Bacon WH-347 certified payroll report in minutes Free invoice generator for freelancers and small businesses
StageNot given Not given
FoundedNot given Not given
Based inDE Not given
Pricing modelFreemium Not given
PricingTwo free payrolls included with account signup (no credit card required). Then $79/month for unlimited projects and weekly payrolls, live wage-determination checks, continuation sheets for larger crews, three-year filing archive, no setup fee, no contract, cancel anytime. Free: Unlimited invoices without account (with "Powered by Zap Bill" footer); Free account: 3 saved invoices per month. Unlimited: $9.99/month (or $5.00/month for first 6 months with 50% introductory offer). Unlimited Annual: $79.99/year.
Key features
  • Fills both pages of official DOL Form WH-347 (Rev. January 2025)
  • Checks base rate plus fringe against SAM.gov wage determination while hours are entered
  • Flags overtime logged as straight time past 40 hours
  • Applies registered apprentice percentages of the journeyworker rate
  • Generates continuation sheets for crews larger than 8 workers
  • Builds the PDF in the browser; payroll figures do not leave the machine
  • Calculates gross wages and project totals while you type
  • Reuses project wage determinations across weekly payrolls
  • Runs 8 compliance checks while you type
  • Three-year filing archive for recurring projects
  • Invoice PDFs with automatic tax and discount calculations
  • Multi-currency and multi-language invoices in 6 languages
  • Saved customer profiles and product catalog
  • Recurring invoices with automatic generation and sending
  • Time and expense tracking with invoice integration
  • Quotes and estimates that convert to invoices
  • Email invoices from your own address with SMTP settings
  • Revenue and client dashboard with insights
  • REST API access for automation
  • Automatic payment reminders and late fees
What makes it different
  • Live wage rate checks against SAM.gov before you submit, not cached data
  • Uses the government's actual WH-347 form, not a redrawn approximation
  • PDF built in your browser so payroll data never leaves your machine
  • No setup fee, no contract, cancel anytime
  • Create invoices in under 2 minutes with no setup required
  • Free to use without account signup
  • 14-day free unlimited trial with no credit card required
  • Global support with country presets for tax rates and currency
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)1411
Referring domains (Majestic)74

4 details filled in for both companies.

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