Stair Calculator Plus is made and published by Nitrio. AppBrain is an independent app data site and isn't affiliated with Nitrio. The app name, icon, screenshots and description belong to Nitrio and are shown as published on the App Store.

About Stair Calculator Plus

Stair Calculator Plus is an utilities app developed by Nitrio.

User Ratings

Stair Calculator Plus is rated 3.00 out of 5 stars. The rating is based on 18 ratings.

App Information

Stair Calculator Plus costs $2.99. The app size is 8.13 MB. The latest version available is 1.2. The last update was on December 17, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since November 2018.

Description by Nitrio (from the App Store)

Stair Calculator can be used to find stair rise and run, stair rail angle, stringer length, and other important factors of stair design.

Features:
- Instant calculation
- Result are copy able to other app
- Formula are include as reference
- Support up to 16 decimal place
- Support various unit for each input

General guidelines in Stair Design :
- Run unit should not be less than 10 inches / 25 cm
- Rise unit should not exceed 7 3/4 inches / 20 cm

A stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairs may be straight, round, or may consist of two or more straight pieces connected at angles.

Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

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Screenshots

Screenshots by Nitrio, from the the App Store listing

Official page on the App Store

Alternatives to Stair Calculator Plus

Changelog of Stair Calculator Plus

No changelog data

Developer information for Nitrio

Nitrio

Address:

Comments on Stair Calculator Plus for iOS

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App Store Rankings for Stair Calculator Plus

This app is not ranked

Technologies used by Stair Calculator Plus

Frequently asked questions about Stair Calculator Plus

Is Stair Calculator Plus free?

No. Stair Calculator Plus costs $2.99 on the App Store.

Is Stair Calculator Plus still available?

Yes. Stair Calculator Plus is on the App Store, and the last update we saw was on December 17, 2025.

How large is Stair Calculator Plus?

Stair Calculator Plus is 8.13 MB.

Is Stair Calculator Plus suitable for children?

App Store rates the content of Stair Calculator Plus as suitable for everyone.

How do people rate Stair Calculator Plus?

Stair Calculator Plus scores 3.00 out of 5 stars, from 18 ratings on the App Store.

Who made Stair Calculator Plus?

Stair Calculator Plus was developed by Nitrio. It is listed in the utilities category on the App Store.

What are the best alternatives to Stair Calculator Plus?

People looking at Stair Calculator Plus also look at these utilities apps: Stair Stringer, Baluster Layout, CMM Stair Rail Calculator, Sheet Bending Calculators, WRAP-Iowa Ramp Design Aid.

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