iPhone apps you buy once
and own forever.

No subscriptions. No in-app purchases. No paid upgrades.
Every update is free, forever.

JobCalc app icon

JobCalc

The feet-inch-fraction construction calculator.

  • Right triangles, roof pitch, rafters, hips, valleys and jacks
  • Stairs, rake walls, circles and arcs
  • Area, volume, concrete, board feet and weight
  • Long-press help on every key, in English and Spanish
$14.99 on the App Store How it works →
JobCalc keypad showing the hip cheek cut, HCHK 41.46° JobCalc keypad adding 12 FT 4-1/2 IN and 3 FT 2-11/16 IN