Free Invoice App for
US Mechanics & Contractors
Spanner is a free invoice app for US mechanics, contractors, and self-employed tradespeople. Create professional invoices in USD, accept card payments online via Stripe, and share by email or PDF β all from your phone.
Free to download Β· Pro from $9.99/mo Β· No credit card
Who is Spanner for?
Built for American tradespeople
Auto repair invoicing
Add make, model, year, and VIN. Built for mechanics and auto repair shops.
USD invoicing
All amounts in US dollars. Sales tax supported per job.
Stripe card payments
Customers pay by card online. Instant payment confirmation.
Share by email or PDF
Email the invoice or download as a professional PDF β instantly.
All trades
Contractors, plumbers, electricians, handymen β any US trade.
Online booking
Share a booking link so customers can book directly. Accept or decline in-app.
What US tradespeople say
"Finally an invoice app that doesn't try to be accounting software. Simple, fast, and customers can pay right away."
Tom A. Β· Texas, US
"My auto shop switched to Spanner and we get paid 3x faster. Customers love the online payment."
Marcus L. Β· California, US
"The mechanic features are exactly what I needed. Car details, payment links, done in under a minute."
Brian K. Β· Florida, US