# Delux Stairs Construction calc — Staircase stringer calculator

> Staircase stringer calculator for precise, code-compliant stair design. (iPhone/iPad app by Delux.)

- Source: https://appshunter.io/ios/app/delux-stairs-construction-calc/id419836095 (this page in markdown: same URL + `.md`)
- Developer: [Delux](https://appshunter.io/developer/419836100)
- Category: Utilities, Productivity
- Price: $4.99
- Rating: 3.40/5 from 18 App Store ratings · 76 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 16 MB
- Languages: American English
- Released: 2011-02-18
- Data updated: 2026-09-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/delux-stairs-construction-calc/id419836095/reviews.md

## What is Delux Stairs Construction calc?

Create an ideal staircase with one simple measurement. Fine-tune the stairs to fit your space with an easy to use and understand, graphical interface. 

Enter the total rise, and the app calculates total run (base length or overall run), pitch (angle or slope), unit run (goings or tread), unit rise (rise or step height), and all other measurements. You can then adjust the total run to fit your available space or preferred tread materials. A feature unique to Delux Stairs fine-tunes the stringer to accommodate for differences in flooring thicknesses such as the tread thickness and upper and lower finished flooring. This ensures every step is identical, which is the difference between clumsy, dangerous, amateur stairs and professional-quality, comfortable, code-compliant stairs. Additional stair details, such as nosing, riser thickness and stringer dimensions are also calculated and adjustable.

Blueprint plans can be directly printed or emailed in PDF which include platform position options, stringer peak positions, bottom step rise adjustments, top step run adjustments, and more.

The headroom clearance tool is also unique to Delux Stairs and not only shows you top floor opening requirements with adjustable floor thicknesses, but also continuous headroom obstruction clearance from the top to the bottom of the stairs.

◎ No ads, notifications, permission, subscriptions or in-app purchases.
◎ Direct visual graphic feedback for quick, easy to understand design.
◎ Diagrams & info screens make the sometimes cryptic terms clear.
◎ Email the finished blueprints to the client or to yourself.
◎ Print finished blueprints on any AirPrint-compatible printer.
◎ Takes flooring and tread thickness differences into account to ensure each step is identical to comply with building codes.
◎ Presets for Outdoor (decking), Indoor (plywood or hardwood) or Masonry (concrete) stairs.
◎ Perfect for open stringer and concrete designs & a great starting point for housed and box stairs.
◎ Headroom Clearance tool for determining top floor opening as well as continuous overhead obstruction clearance.
◎ High contrast, large text screens can be seen in bright sunlight at the job site.

Settings include:
- Imperial or Metric systems
- Specify Preferred Target Unit Run
- Specify Preferred Target Unit Rise
- Select point where inches > ft or mm > meters
- Customize Minimum Headroom

## Key features

- Calculate total run, pitch, unit rise, and unit run
- Adjust for flooring and tread thickness
- Headroom clearance tool
- Printable and emailable PDF blueprints
- Graphical interface with visual feedback
- Imperial or Metric system support

## What do users think of Delux Stairs Construction calc?

Overall sentiment: mixed

**Pros**

- 👍 Easy to use
- 🚀 Fast calculations
- ✅ Accurate results
- 💡 Helpful for DIYers
- 💰 Good value for money
- ✅ Clear instructions
- 💡 Comprehensive features
- ✅ Well-designed interface
- 👍 Saves time
- ✅ Reduces errors
- 💡 Useful for contractors
- ✅ Precise measurements
- 💡 Great for first-time builders

**Cons**

- 🐛 Crashing issues
- ❌ Limited customization
- ❌ Not for all stair types
- ❌ No free trial
- ❌ Poor support/contact options
- ❌ Outdated features
- ❌ Unclear error messages
- ❌ Inconsistent measurements
- ❌ Not optimized for all devices
- ❌ PDF issues
- ❌ Metric/imperial issues

**Commonly reported bugs**

- App crashes when emailing plans
- App crashes when trying to email
- PDF files are unreadable
- Email function not working
- Measurements on blueprint layout are wrong
- Headroom tool is incorrect
- App loses value on iPad
- Emailing last stair worked on, not current
- App not optimized for iPad
- Application crashes

**Most requested features**

- Support for winder stairs
- Ability to test before buying
- Print button within the app
- Support for steel stringers
- Ability to compile multiple stair plans
- Option for 'Final Tread At Elevation'
- Adjustments for riser thickness
- More customization for tread thickness
- Landscape mode
- More layout options
- Support for spiral staircases
- Support for multiple landings
- Option to start at level top or one step down
- Ability to change run distance
- Ability to change headroom
- Ability to make own default settings
- iPad optimization

## Recent user reviews (10 of 76)

All indexed reviews: https://appshunter.io/ios/app/delux-stairs-construction-calc/id419836095/reviews.md

### 5/5 — Perfect Stairs!!

*2024-08-24*

I bought this app several years ago and had perfect results the first time I used it (1st time ever building stairs!) Super easy to use and I had no issues at all. 

Now we’re 2024 and I just opened the app to build stairs on my new deck and had the stringer plans done effectively in just a few minutes. I marked the stringers and had them cut out moments later. 

I love this app and some of the best few dollars I ever spent. 👏👏👏👏👍👍

### 1/5 — 12 foot limit for the total rise

*2024-03-01*

I purchased it and can not complete my project since it limits your rise at 12 feet. Total waste of money.

**Developer response:** Thank you for taking the time to share your feedback on our Delux Stairs. We genuinely appreciate your input and understand your concern regarding the limitation on the total rise of stairs that can be calculated.

We would like to explain that this limitation is not arbitrary but is based on the International Building Code (IBC), which sets the maximum rise of a single stair flight at 12 feet. Our aim is to ensure that the designs produced by our application comply with these widely accepted safety standards.

We understand how this limitation might be frustrating for projects requiring a rise greater than 12 feet and are continuously looking for ways to improve our application to meet the diverse needs of our users. Your feedback is invaluable in this process, and we will consider how we might accommodate more varied project requirements in future updates.

### 1/5 — Don’t waste your money!!!

*2023-09-14*

They should let you test it first.
I want my money back!

### 2/5 — Straight stairs only!

*2021-02-11*

I bought the app because I was mislead by the screenshots and believed I would be able to calculate for winder stairs... not the case! The app seems very user friendly, but I could figure out basic rise and run with the calculator on my phone. I am very disappointed

### 5/5 — Delux Stairs

*2019-10-28*

Absolute Five Stars ! The best stairs App Period. Very well Done ! I just love it . Has all the features to verify everything so their are no mistakes . Like it says in the instructions check everything 3 times an you should be good .  Thanks for making this app soo well.

### 1/5 — Not fully customizable

*2019-05-24*

Many fields were not customizable or accurate enough. does not seem like a “deluxe” app or worth 5 or 6$.

### 1/5 — Keeps crashing

*2019-03-23*

I purchased this app with the hopes of it working, but it keeps crashing. I tried restarting my phone, deleting & reinstalling the app. I still get the same results. Unfortunately there is no “Contact Us” on your website. I would like a refund for this app.
Thanks in Advance

**Developer response:** We're extremely sorry you are having crashing problems with Delux Stairs. As this is the first time we have seen this type of behavior, it would be extremely helpful to work with you to determine the cause. We've added a "Contact Delux" link on the website. Please contact Delux through that link so we can work directly with you to determine what is going wrong and hopefully get the app working for you.

Refunds are handled by Apple. Instructions on applying for a refund can be found here:
https://support.apple.com/en-us/HT204084

### 3/5 — Overall starting with it

*2019-01-30*

I would like a big fix!! When you get to the plans, from my phone I can only email myself. I would like to see a PRINT button so I can print from the app and not go into email to retrieve. Makes sense.

**Developer response:** Thank you for purchasing Delux Stairs and providing such valuable feedback. It does make sense to add the ability to print; so we did. Our newest version has a shiny new "Print" button right next to the "Email" button.

### 4/5 — The best

*2018-12-26*

Love this app, however I wish you could view the plans in the app without e-mailing them! Dumb! I’d love to just print from the App.

**Developer response:** Thank you, complete construction, for your purchase and review. We’ve now added the ability to print the plans directly from in-app to any AirPrint-compatible printer.

### 5/5 — Such s great app.

*2018-12-17*

Excellent app. I’ve had it for a couple months and love it.

**Developer response:** Thank you so much for this fantastic review!

## Frequently asked questions about Delux Stairs Construction calc

### What does the Delux Stairs Construction Calc app do?

This app helps you design ideal staircases by calculating all necessary measurements from a single input. It accounts for flooring thickness to ensure each step is identical, leading to professional, code-compliant stairs. It also includes a unique headroom clearance tool.

### What are the key features of this staircase calculator?

Key features include calculating total run, pitch, unit rise, and unit run. It allows adjustments for flooring and tread thickness, offers a headroom clearance tool, and generates printable or emailable PDF blueprints. The app also provides direct visual graphic feedback and supports both Imperial and Metric systems.

### Is this app free to use?

Yes, the Delux Stairs Construction Calc app is completely free to use. It does not contain any ads, notifications, subscriptions, or in-app purchases, ensuring an uninterrupted design experience.

### What kind of stair designs can this app handle?

The app is perfect for open stringer and concrete designs and serves as a great starting point for housed and box stairs. It also includes presets for outdoor (decking), indoor (plywood or hardwood), and masonry (concrete) stairs.

### Can I print or share the stair designs?

Absolutely. The app allows you to directly print finished blueprints on any AirPrint-compatible printer or email them as PDFs to clients or yourself. These blueprints include detailed information like platform position options and step rise adjustments.

## Version history (last 5 releases)

### 2.7.3 — 2019-02-14

Added ability to directly print from in app.
Under the hood optimizations.
Updated layout to accommodate new phone models.
Fixed a bug that caused email functionality to fail if no email accounts were set up on the device.

### 2.7.2 — 2017-06-05

General bug fixes and updates

### 2.7.1 — 2013-09-12

More compatibility fixes.

From 2.7: New online help system provides customized help and diagnostics for the specific staircase you designed as well as fully illustrated instructions and tips.

### 2.7 — 2013-09-08

New online help system provides customized help and diagnostics for the specific staircase you designed as well as fully illustrated instructions and tips.

 - Compatibility update

### 2.6 — 2013-04-09

2.6 New Features:
 - Internal changes to support upgrade to "Online Help" system; coming soon.

2.6 Bug Fix:
 - Fixed a bug where "Total Stringer Length" was incorrect on the summary and Blueprint screens.
 - Fixed a bug where using the "Outdoor" or "Indoor" pre-made buttons in the Details screen could have zero for "Riser Thickness" unless pressed twice.

2.5 New Features: 
- Direct control over Unit Rise and Unit Run in addition to indirect control of those two dimensions through Total Run and Tread count. 
- Finer control over preferred Target Unit Run in the Settings. Now you can choose a preferred Target Unit Run in 1/4" increments. Metric remains 1 cm increments. 

2.5 Bug Fix: 
- Fixed not accounting for the thickness of the riser of the step below a tread, if a riser was used, in calculating the total width of the tread dimensions. Thanks go to Matt at Down South Fence for identifying the bug.

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*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 2026-09-04.*