The app built by enthusiasts, for enthusiasts. Track every modification, receipt, and dollar spent on your project car—so you never forget what you did, when you did it, or how much it actually cost.
Download on the App Store
From bolt-ons to full engine swaps, Build Vault keeps your entire project organized in one place.
Log modifications with part numbers, vendors, install dates, and costs. Add before-and-after photos to document the transformation.
See exactly how much you've invested—broken down by category. Finally answer "how much have I spent on this thing?" with actual numbers.
Create professional PDFs for car shows, insurance claims, or when it's time to sell. Show buyers exactly what's been done.
Enter your VIN and let the app pull factory specs—stock horsepower, torque, weight, drivetrain. Know exactly where you started.
Made some power? Record it. Track dyno results, drag times, boost levels, and weight over time. Compare your gains to stock.
Store registrations, titles, insurance cards, invoices, and service records. Get alerts before documents expire.
Log modifications with complete details so everything's in one place when tax season hits or you're selling your build.
Comprehensive analytics show your spending patterns across your entire fleet.
Manage your entire collection with beautiful vehicle cards showing key stats at a glance.
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Start free, upgrade when you're ready
Whether it's your first project or your tenth, Build Vault helps you keep everything organized—from the first mod to the final dyno pull.
Download Free on the App Store