Span64 vs RedX Construction Calculator

Exact trade math. Offline. Yours once. Span64 is an exact feet-inch-fraction Calculator for carpenters, framers, contractors, and serious DIYers. Enter full equations, read stacked fractions clearly, convert between imperial and metric, and keep completed work on a persistent Tape. THE CALCULATOR IS FREE The Calculator is free. Jobsite Tools require a one-time unlock. Add, subtract, multiply, and divide dimensions without ads. Calculator equations and results stay available on your Tape so you can reuse or share them later. SPAN64 PRO: SEVEN JOBSITE TOOLS • Triangle / Right-angle • Area & Volume • Concrete • Board Feet • Stairs • Roof / Rafter, including common-rafter birdsmouth • Studs / On-center Preview every locked Tool with your own measurements before purchasing. A single non-consumable purchase reveals useful numeric results and unlocks all seven Tools forever. There is no subscription, trial countdown, or account. BUILT FOR REAL WORK • Exact domain math to 1/64 inch • Tolerant feet-inch input • Imperial and metric output where applicable • Persistent Tape with notes and reuse • Clear stair checks and focused jobsite forms • Works without a signal after installation Purchasing or restoring Span64 Pro requires a network connection so the App Store can verify ownership. Restore Purchases is available from Settings and the Span64 Pro screen. Your measurements, equations, results, Tape entries, and notes stay on your device. Optional telemetry is off by default and never includes calculation content. Span64 is a calculation aid. Verify measurements, structural decisions, and local code requirements before cutting or building.

The 100% FREE construction calculator. REDX CALC is the feet-inch-fraction calculator for framers, carpenters, contractors and builders: rafter, stair, roof pitch and framing math with no ads, no subscriptions and no in-app purchases. Work the way you measure: add, cut and convert full feet-inch dimensions with fractions, and switch between imperial and metric in one tap. FEET & INCHES MATH • Add, subtract, multiply and divide feet-inch measurements with fractions • Adjustable fraction precision • Instant conversion between yards, feet, inches, meters, cm and mm • Percent, square, square root and reciprocal functions • Memory keys and automatic calculation history RIGHT TRIANGLES & ROOFS • Pitch, Rise, Run and Diagonal keys: enter what you know, tap to solve the rest • Hip/Valley and Jack rafter solvers • Miter angles for trim and framing STAIRS, ARCS & CIRCLES • Stair layouts: risers, treads, stringers and the stairwell opening • Arc solver for arched openings • Circle facts, columns and cone volumes DIMENSIONS • Length, Width and Height registers for areas and volumes • Unit-aware math keeps your results in the units you build with KNOW-HOW BUILT IN • Step-by-step guides for the basics, roofs, stairs, circles, conversions and more • Light and dark mode 100% FREE. FOREVER. No ads. No in-app purchases. No subscriptions. Every feature included. Part of the RedX Apps family: RedX Decks, RedX Roof, RedX Walls and RedX Stairs. Terms of Use https://www.redxapps.com/terms-of-service