BuildX Construction Calculator

BuildX is the construction calculator for people who'd rather pay once than subscribe to a tool they already own. Eight focused modules. Native fraction math. Built for the iPhone you use on the job site. WHAT'S INSIDE - Pro Calculator — Feet, inches, fractions. Memory keys, parentheses, percentage, square root, and a real tape you can scroll, edit, and label. - Layout & Framing — Stair calculator with IRC code check. Common, hip, and valley rafters. Right triangle solver. Area for any shape. - Materials — Concrete with bag count. Drywall with waste factor. Board feet with cost calculation. Baluster spacing with code compliance. - Made for the way you work — Glove-friendly tap targets. Calculation history that survives across launches. Imperial and metric. iPhone-first. NO SUBSCRIPTION You buy BuildX once. You own it. No recurring charges. No "Pro" tier gating basic features. No counters on free uses. No upgrade pressure. BUILT FOR - Finish carpenters and framers - Renovators and small contractors - Serious DIY woodworkers - Anyone tired of subscription fatigue