TrueCut: Construction Calc

Rafter, Stair & Framing Math

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Free 14-day full trial, then $24.99 once. No subscription, ever. Dimensioned diagrams and step-by-step layout for every cut. Feet-inch math free forever. Pro construction calculator. One-time purchase. No subscription. See the cut, not just the number. Every rafter, stair, crown, and baluster answer draws a live, dimensioned diagram, and "Explain this cut" walks you through the layout step by step, in the order you'd mark the stock. Free 14-day full trial, then $24.99 once. Basic feet-inch math and the baluster solver stay free forever. No account, no ads, no analytics. Built for gloves, thumbs, and full sun: a fraction-native keypad (tap 5, then 1/2, done), big keys with a haptic tick on every press, and a one-tap high-contrast Site Mode for the jobsite. THE PLEDGE • One-time purchase. No subscriptions. Ever. • Free 14-day full trial, disclosed up front. No payment info to start. • Basic feet-inch math and the equal-spacing baluster solver stay free forever. • Family Sharing on the Full Unlock. The household owns the tool. RAFTER STUDIO • Common, hip, valley (regular and irregular), and jack rafters with a numbered cut list • Explain this cut: ridge plumb cut, line length, ridge deduction, birdsmouth, tail, and stock length as ordered layout steps • Pitch gauge: lay the phone on the roof or rafter, hold, zero, and write the pitch into the solver • Plumb, level, and cheek angles shown as saw-dial settings • Ridge allowance, overhang, and HAP STAIR STUDIO • Riser and tread solver with a scrollable stringer diagram • Explain this cut: divide the rise, set the gauges, step off the stringer, drop the stringer, check headroom • Reference checks against your configured IRC, IBC, NBC, NCC, or UK Approved Document K limit presets, never a compliance ruling • +1 / −1 riser stepper re-solves live so you trade riser height against run • Headroom and stairwell opening checks; framing-square gauge settings on the cut sheet DECK & BALUSTER STUDIO • Equal-spacing baluster solver: count, center-to-center, and the first mark off the post (free forever) • On-center joist and stud layout at 12, 16, 19.2, 24" or custom • Full fence takeoffs: post bays, rails, pickets or panels, gates, post-hole concrete, and 3-4-5 square-up CROWN & MITER STUDIO • Spring-angle presets (38°, 45°, 52°) plus custom • Compound miter and bevel for any corner angle, drawn as saw dials • Nested vs. flat cutting guidance with a diagram MATERIALS STUDIO • Concrete volume and bag counts, roofing squares, drywall and siding sheets, paint, flooring, tile, blocks, board feet, studs • Arc & Circle card: circumference, area, arc length, and arch layout • Lightweight estimates with waste factor and unit cost that roll up to a total LASER MEASURE • Capture a distance from a supported Bosch GLM or Leica DISTO straight into the keypad and tape, over Bluetooth, on device FULL FEET-INCH-FRACTION MATH • Add, subtract, multiply, divide, powers, and square roots across mixed units • Decimal feet, decimal inches, yards, and full metric (m, cm, mm) • Fraction resolution from 1/2 to 1/64 with smart auto-reduce • Convert in place, memory slots, square-up with angle entry, and a persistent, labeled tape you can restore and edit PROJECTS, WIDGETS, AND SIRI • Save cut sheets, estimates, and tape lines into named projects and share a whole project as one PDF • Home Screen and Lock Screen widgets show your last result; a Control Center button opens the keypad • Siri and Shortcuts open any studio by name SHARE THE CUT Every studio exports a dimensioned Cut Sheet PDF, with an optional layout-steps page. AirDrop or text it to your crew. PRIVACY No analytics, no accounts, no ads. The app makes no network calls of its own. Purchases are handled by Apple. App Privacy label: Data Not Collected. Reference calculation — verify against local code and field conditions before cutting.

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TrueCut 1.6 • Explain this cut: tap Explain on a rafter or stair result for ordered, step-by-step layout instructions, with every value matching the diagram. • Cut sheets gain an optional Layout Steps page. • Cleaner studio headers, an easier-to-read welcome screen, and small fixes. Reference calculation — verify against local code and field conditions before cutting.

The developer, Gabriel John Fordan, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Gabriel John Fordan
    Size
    • 16.2 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Vendrato