# Stair Calculator: Run & Rise — Design Stairs Fast & Accurate

> Stair design and construction calculator with visualization and sharing features. (iPhone/iPad app by Do Tri.)

- Source: https://appshunter.io/ios/app/stair-calculator-run-and-rise/id6502868383 (this page in markdown: same URL + `.md`)
- Developer: [Do Tri](https://appshunter.io/developer/846531282)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 4.10/5 from 39 App Store ratings · 1 written reviews indexed
- Age rating: +4
- Requires: iOS 17.6 · 28 MB
- Languages: Brazilian Portuguese, German (Germany), Korean, European Spanish, American English, Japanese
- Released: 2024-06-03
- Data updated: 2026-08-18
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/stair-calculator-run-and-rise/id6502868383/reviews.md

## What is Stair Calculator?

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.

## Key features

- Stair design visualization
- Calculate riser height
- Stair slope in degrees
- Length unit converter
- Shareable results

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Builder Mode | $8.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/stair-calculator-run-and-rise/id6502868383/reviews.md

### 5/5 — Excelente

*2026-07-29*

Tem me ajudado bastante com meus projetos

## Frequently asked questions about Stair Calculator

### What can Stair Run and Rise Calculators calculate?

Stair Run and Rise Calculators can determine the angle of stairs, stair riser height, stair design, stair slope in degrees, and rise and run relationships. It also includes a length unit converter.

### How does Stair Run and Rise Calculators help with stair design?

It provides insight into how your stairs will look based on total run and rise, and allows you to select the desired number of stairs to see how dimensions change.

### Can I share my stair calculations from Stair Run and Rise Calculators?

Yes, the calculated results from Stair Run and Rise Calculators can be shared via email, SMS, or other messaging applications.

### What devices is Stair Run and Rise Calculators available on?

Stair Run and Rise Calculators is available on iPhone and iPad devices.

### What is the age rating for Stair Run and Rise Calculators?

Stair Run and Rise Calculators has an age rating of 4+.

### How often is Stair Run and Rise Calculators updated?

The latest version, 1.1, was released on 2024-06-24, indicating recent updates and ongoing development.

### Does Stair Run and Rise Calculators have ads?

No, Stair Run and Rise Calculators does not contain advertisements.

### What is the user rating for Stair Run and Rise Calculators?

Stair Run and Rise Calculators has a rating of 4.0 stars from 20 ratings.

## Version history (last 3 releases)

### 1.2 — 2026-05-21

• 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

### 1.1 — 2024-06-24

Add more stair calculators

### 1.0 — 2024-06-03

No release notes.

## Apps similar to Stair Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Stair Calculator: Construction](https://appshunter.io/ios/app/stair-calculator-construction/id1493037366) | 4.1 (738) | Free | Utilities |
| [Chippy Tools: Construction](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717) | 4.5 (905) | Free | Utilities |
| [Construction Master 5 Calc](https://appshunter.io/ios/app/construction-master-5-calc/id370412148) | 4.8 (13,064) | Free | Utilities |
| [Construction Master Pro Calc](https://appshunter.io/ios/app/construction-master-pro-calc/id370406446) | 4.8 (39,372) | Free | Utilities |
| [RedX Stairs - 3D Calculator](https://appshunter.io/ios/app/redx-stairs-3d-calculator/id1589688170) | 4.5 (406) | Free | Utilities |
| [Roof Guide - Carpentry Calc](https://appshunter.io/ios/app/roof-guide-carpentry-calc/id920670842) | 4.1 (16) | Free | Utilities |

## More apps by Do Tri

- [Player & Playlist for Youtube](https://appshunter.io/ios/app/player-and-playlist-for-youtube/id861391887)
- [Car Payment & Loan Calculator](https://appshunter.io/ios/app/car-payment-and-loan-calculator/id865978078)
- [MyTV Tube - Player for Youtube](https://appshunter.io/ios/app/mytv-tube-player-for-youtube/id871837501)
- [New Fashion Collection 2015 - HD Photo Gallery](https://appshunter.io/ios/app/new-fashion-collection-2015-hd-photo-gallery/id873424049)
- [Brazilian Booty Workouts](https://appshunter.io/ios/app/brazilian-booty-workouts/id877237437)
- [Guide Brazilian Jiu-Jitsu BJJ](https://appshunter.io/ios/app/guide-brazilian-jiu-jitsu-bjj/id899812441)

All apps by Do Tri: https://appshunter.io/developer/846531282

## Related topics

[stair calculator plus](https://appshunter.io/ios/topics/stair-calculator-plus) · [stairs x lite](https://appshunter.io/ios/topics/stairs-x-lite) · [stair calculator pro](https://appshunter.io/ios/topics/stair-calculator-pro) · [climber stair](https://appshunter.io/ios/topics/climber-stair) · [staircase calculator](https://appshunter.io/ios/topics/staircase-calculator) · [free stair calculator](https://appshunter.io/ios/topics/free-stair-calculator) · [stair calculator](https://appshunter.io/ios/topics/stair-calculator) · [fall stair](https://appshunter.io/ios/topics/fall-stair)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*