WrenchStrike

Invoices for mobile mechanics. New job to signed invoice in 60 seconds.

Works offline. No accounts. Your data lives on your phone.

First 5 jobs free. Then $5.99 a month, or $55.99 a year (about $4.67 a month, save 22%). Cancel anytime.

Download on the App Store iPhone · iOS 15+
The PDF WrenchStrike sends once the job is paid: a receipt with the shop logo, vehicle details, parts and labor, and a PAID stamp WrenchStrike paid invoice on iPhone showing parts, labor, the $353.20 total and the cash payment, paid in full

This is exactly what your customer gets

Estimate, invoice, receipt. Made in the app, sent from your phone.

Tap any document to see it full size

“Best app for automotive invoices”

Autocare on Wheels · Australia · App Store review

See it before you download

Estimate, invoice, payment — all from the driveway.

What it costs

Free

$0

  • First 5 jobs free
  • Every feature unlocked
  • No card needed

Pro

$5.99 a month

  • or $55.99 a year
    about $4.67 a month, save 22%
  • Unlimited jobs
  • Cancel anytime
Download on the App Store iPhone only · Requires iOS 15 or later

Estimates to invoices in one tap

Build an estimate, get it approved, convert to a numbered invoice — no retyping.

VIN scan with free decode

Scan the door-jamb barcode and pull year, make, model, and engine from NHTSA — free, no key.

Parts-only tax, done right

Tax parts and not labor (or flip it per line). Discounts lower the taxable base proportionally.

Get paid on the spot

Your Venmo, Cash App, and Zelle print right on the invoice. Record cash, card, or check.

Schedule C at tax time

Gross receipts, sales tax collected, parts cost, and expenses by category — always current.

iCloud backup

For the stolen-van day. Back up to your own iCloud and restore everything on a new phone.

Just need a quick one-off? Use our free mobile mechanic invoice template — download the PDF, print it and fill it in by hand.