Parts, labor & diagnostics
Build precise line-item bids with hours, jobs, parts, and diagnostic units before you open the hood.
Driveway estimates for mobile mechanics — parts, labor, diagnostics, and branded PDFs.

WrenchBid: Mechanic Estimates is a Business tools app from Knox Studios (Google Play developer Knox_Studios). Driveway estimates for mobile mechanics — parts, labor, diagnostics, and branded PDFs.
WrenchBid helps mobile mechanics build line-item driveway quotes with hours, jobs, parts, and diagnostic units, plus vehicle year/make/model/mileage/VIN, engine-bay photos, field markup tools, and branded PDF estimates from the phone.
Build precise line-item bids with hours, jobs, parts, and diagnostic units before you open the hood.
Log year, make, model, mileage, and VIN, and attach engine-bay reference photos without cluttering the customer PDF.
Ballpark diagnostic time, parts sell price, labor, and trip or call-out fees on site.
Share professional proposals with your shop name and contact from the driveway.
Listing and publisher details for search engines and store discovery.
com.knoxstudios.wrenchbidMobile and traveling mechanics who need fast, professional driveway estimates before they turn a wrench.
Yes. Quotes, vehicle details, and photos stay on your device so you can bid without a signal.
Yes. WrenchBid generates branded customer PDFs from your phone before you leave the lot.
Open https://wrenchbid.knoxstudios.net/ for a free web tool preview. Full quote builder, vehicle photos, and branded PDFs live in the Android app.
Available now on Google Play from developer Knox_Studios. Built and maintained by Knox Studios.