Stair Calculator: Run & Rise

Design Stairs Fast & Accurate

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

Design perfect stairs in seconds. Calculate rise, run, angle & steps instantly. Built for DIY builders, carpenters & contractors. Fast, simple, accurate. Design and calculate stairs with precision and ease. Stair design can be complex, with many variables to consider. This app simplifies the process by helping you visualize and calculate stair dimensions based on total rise and run. Explore multiple stair layout options, compare comfort scores, and instantly see how dimensions, slope, and geometry change with detailed diagrams. Features: • Stair angle calculator • Stair geometry & slope calculator • Riser height calculator • Stair design tool with visual diagrams • Comfort scoring and stair recommendations • Multiple tread and riser layout options • Material and rough framing estimates • Save projects for later • PDF, blueprint, and printable exports • Length unit converter Share your results via email, SMS, or messaging apps.

Ratings & Reviews

  • 4.1
    out of 5
    33 Ratings

• Added visual stair diagrams for clearer geometry and slope calculations • Improved stair design recommendations and layout guidance • Enhanced calculation accuracy and unit formatting • UI refinements and performance improvements

Version 1.2

The developer, Do Tri, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Diagnostics

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Diagnostics

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

Accessibility

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

Information

Seller
  • Do Tri
Size
  • 29.1 MB
Category
  • Utilities
Compatibility
Requires iOS 17.6 or later.
  • iPhone
    Requires iOS 17.6 or later.
  • iPad
    Requires iPadOS 17.6 or later.
  • Mac
    Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.3 or later.
Languages
English and 5 more
  • English, German, Japanese, Korean, Portuguese, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © VnMobileSolutions Inc.
  • Developer Website
  • Privacy Policy

    • More by Do Tri

    You Might Also Like