Best Mobile Invoice Apps for Contractors 2025
Published • 4 min read
You just finished hanging Christmas lights, hauling a truckload of junk, or fixing a leaky pipe. The client asks, “Can you send me the invoice now?” InvoiceGen lets you do it in under 60 seconds – right from your phone.
Why Contractors Need a Mobile Invoice App
- No office delay – get paid the same day.
- Accurate on-site totals – add materials, labor, tax instantly.
- Professional look – branded PDFs impress clients.
Top 3 Free Mobile Tools (2025)
1. InvoiceGen – #1 for Field Service
Free on-site invoice generator with stacked mobile fields. Plumbers, electricians, junk removal crews, and Christmas light installers love the speed. Pro ($5/mo) adds logo + cloud backup.
2. Wave – Good for Unlimited Sends
Free but requires an account; slower on mobile.
3. Zoho Invoice – Feature-rich Free Tier
Great for recurring jobs, but setup takes longer.
How to Invoice on the Spot (Step-by-Step)
- Open InvoiceGen on your phone.
- Tap “Description” → “Emergency Pipe Repair”.
- Enter hours (2.5) and rate ($85).
- Add 8.25% tax → PDF ready.
- Email or text the client – done!