App
Roof Pitch Gauge & Angle
Slope Level, Rafter & Squares
Lay the phone on the roof, a rafter or any slope. The pitch reads in big numbers you can see from a ladder, ticks at every whole x/12, and holds when the phone is still. That one reading fills a sheet of plain answers underneath, written the way a foreman would say them:
Walk. OSHA steep roof, over 4 in 12.
Cover. Takes shingles, tile, metal, slate and shakes on single underlayment.
Cut. A 24′ span with a 1½″ ridge cuts a 13′ 4⅛″ rafter, plus 1′ 1⅜″ of tail for a 12″ overhang.
There are no calculator screens and no forms. Every number in a sentence is a value you can tap and change in place: the span, the ridge, the overhang. The answer updates as you type, and the app remembers your last values, so the first sheet is complete without typing anything.
FREE, NO LIMITS
• The reading: x/12 to a tenth, degrees, grade percent and the quarter-pitch name, with Hold and Zero. Type a pitch instead if you already know it.
• Walk: the OSHA low-slope or steep-roof label for this pitch.
• Cover: which coverings the IRC 2024 Chapter 9 minimum slopes allow, and when double underlayment is required.
• Cut: the common rafter from span, ridge and overhang, in feet, inches and eighths (or sixteenths).
• Read several faces of the same roof; each one gets its own line.
ONE-TIME PURCHASE
• Order: squares and bundles for each face from its size and your waste %, and the whole roof summed.
• Hips: hip and valley length and tail, the jack difference and first jack at 16″ or 24″ on center.
• Saved roofs: keep a roof with its faces, answers and job photos, and share a one-page PDF with the office or the supply house.
Built for roofers, framers, carpenters and adjusters on a pitched deck: one hand, readable in sun, and nothing to fill in before the first answer. Everything stays on your iPhone. No account.
The purchase is a one-time in-app purchase, not a subscription. Pay once and keep it; it restores on any device signed in to the same Apple ID.
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Privacy Policy: https://curiouscrane.dev/roof-pitch/privacy