About this app
Stair Calculator 2 is a fast, easy way to create a schedule of stair calculations for any size of job or just to perform a single calculation on the fly. Put your pencil down and start making professional, consistent calculations today. - Universal app allows use on both iPad, Mac and iPhone/iPod with single purchase. - Create an unlimited list of calculations that automatically save. - Solve rise, run, incline, headroom, stringer length, throat and more. - Calculate baluster spacing using the built-in spacing utility. - View a detailed diagram of the stairwell or the stringer that is to scale and zoomable. - Print directly from the app or save to your camera roll. - Change font size, arrow size, line width, and more to customize your drawing. - Work in either imperial or metric. - Built in construction calculator allows intermediate calculations to be performed within the app.
Latest release
What’s New
- Improved dark mode throughout. - Updated to iOS 17 support.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 10, 2026 · 4:14 PM $6.99