Measure. Calculate. Build.

A full jobsite omnitool that lives in your pocket. Calculate feet, inches, and fractions easily. Built to work offline with zero bars of signal.

7-Day Free Trial. Lifetime Unlock. All features, all the time. No subscriptions.
Plumb app on iPhone
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Dead Simple to Use

No steep learning curves or clunky menus. It's incredibly intuitive and designed to make sense the first time you open it, so you can just get to work.

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English & Spanish

Plumb PRO is fully translated into Spanish. Just flip the switch to use the app in your preferred language—perfect for bilingual jobsites.

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Powerful Construction Math

Calculate easily in Feet, Inches, Fractions, Yards, and Metric. Multi-tap dimension logic: tap once for length, twice for Area, three times for Volume.

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Advanced Trade Estimators

Visual calculators for Stairs, Roof & Rafters, Concrete, Wall Framing, Drywall, Masonry, and more. All outputs include to-scale diagrams.

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Offline Voice Dictation

Hands dirty? Speak your measurements directly into the app. Plumb's voice engine works entirely on-device with zero bars of signal required.

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Torpedo Level

A highly responsive, visual level with auto-switching modes (Level, Plumb, 45°) and custom haptic feedback to let you feel when you hit dead center.

Professional Exports & Cut Lists

Upgrade your business workflow. Save, name, and pin your measurements. Tap to recall them instantly into the calculator.

With Plumb PRO, export your calculations, cut lists, and job ledgers as clean PDFs or PNGs, custom-branded with your business name and contact info.

Plumb app on iPad