PixieFan

Stairs-X Pro Stairs Calculator
PaidStairs-X Pro is a powerful and user-friendly stairs calculator, useful for fast calculations and design for standard stairs and advanced stairs.
AndroidBrick Arch Calculator (Voussoirs)
FreeBrick Arch Calculator (Voussoirs).
AndroidStairs-X Lite - Stairs Calculator
FreeYou can calculate and create detailed and precise stairs plans. See them in 2D from side to top.
AndroidClassic stair calculator
FreeClassic stair calculator help you to calculate your stairs fast, precise and with no limitation for how many steps do you want to have.
Android