100+ purpose-built tools for pipefitters, welders, electricians, framers and more — each with a diagram and the formula behind it. Fully bilingual. Works offline. Free.
Download on theApp StoreOffsets, fittings, cut lists, voltage drop, rafters, duct, RPM and more — one keypad per trade.
Type or dictate a trade question and it routes you to the right tool and answers.
Every result shows the diagram and the math behind it, so you can check it in the field.
English or Spanish, one tap. No signal on the jobsite? It still works.
A dedicated field calculator you can run with gloves on — color display, tactile keys, feet-inch-fraction input, fully offline. Currently in development.
Not for sale yet — leave your email and we'll tell you when it ships.
Notify me →“We build refineries, hospitals and skyscrapers with our hands. Our tools should be built with the same dedication.”
The whole toolkit, in your pocket, built to work offline on the jobsite.
Download on theApp Store