Best Stairs Calculator Apps

249+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our stairs calculator list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Stairs Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Stair Calculator: ConstructionStair Calculator: ConstructionFree4.1β˜… (740)NoYesOct 2026
2Stair Calculator ProStair Calculator ProFree4.0β˜… (4)NoYesOct 2026
3RedX Stairs - 3D CalculatorRedX Stairs - 3D CalculatorFree4.5β˜… (424)NoYesNov 2026
4StairPlan: Stair CalculatorStairPlan: Stair CalculatorFree5.0β˜… (1)NoYesOct 2026
5Feet and Inches CalculatorFeet and Inches CalculatorFree4.6β˜… (421)YesYesOct 2026
6CMM Stair Rail CalculatorCMM Stair Rail CalculatorFreeβ€”NoNoOct 2026
7Stair Calculator .Stair Calculator .Free4.0β˜… (4)YesYesOct 2026
8Construction Master Pro CalcConstruction Master Pro CalcFree4.8β˜… (40K)NoYesNov 2026

Top Picks for Stairs Calculator

Stair Calculator: Construction#1

Stair Calculator: Construction by Phan Nhat Đang

Step, Run, Rise, Angle, Length
Editor's Choice
πŸ”§ Utilities
4.1😞(740 ratings)
FreeIn-App Purchases
Stair Calculator: Construction screenshot 1
Stair Calculator: Construction screenshot 2
Stair Calculator: Construction screenshot 3

This app calculates essential parameters for stair construction, offering flexibility in input and providing multiple step set options. It supports various units and allows results to be easily copied.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Helpful information
  • πŸš€ Provides useful calculations

Room to Improve

  • πŸ› Doesn't work as expected
  • πŸ”’ No way to cancel subscription
  • πŸ”’ Difficult to cancel trial
  • 🀬 Obnoxious ads
  • 🀬 Misleading as a learning tool
Stair Calculator Pro#2

Stair Calculator Pro by Anna Filobok

Calculate in meter, cm, in, ft
Strong Contender
πŸ”§ Utilities
4.0(4 ratings)
FreeIn-App Purchases
Stair Calculator Pro screenshot 1
Stair Calculator Pro screenshot 2
Stair Calculator Pro screenshot 3
Stair Calculator Pro screenshot 4
Stair Calculator Pro screenshot 5
Stair Calculator Pro screenshot 6

This app quickly calculates stair dimensions like number of steps, total run, and stringer measurements. It supports real-time unit conversions between imperial and metric systems and includes a currency converter. Premium features require a subscription.

RedX Stairs - 3D Calculator#3

RedX Stairs - 3D Calculator by RedX Technology Inc

Design & Calculate Stairs
Worth Considering
πŸ”§ Utilities
4.5😞(424 ratings)
FreeIn-App Purchases
RedX Stairs - 3D Calculator screenshot 1
RedX Stairs - 3D Calculator screenshot 2
RedX Stairs - 3D Calculator screenshot 3
RedX Stairs - 3D Calculator screenshot 4
RedX Stairs - 3D Calculator screenshot 5

This app simplifies complex stair calculations and designs with advanced 3D visualization. It offers a comprehensive suite of calculators for various stair types, supporting multiple measurement units and providing detailed, to-scale plans for professionals and DIYers.

What We Love

  • πŸ‘ Great for pros and new users
  • πŸ’‘ Detailed project PDFs
  • πŸ’‘ Excellent for riser stairs
  • πŸ’‘ Handles complex stair designs
  • πŸ’‘ Useful for limited space
  • πŸ’‘ Easy to print designs
  • πŸ’‘ Clear cut lists and layouts

Room to Improve

  • πŸ‘Ž App gets stuck on opening screen
  • πŸ‘Ž Scam to charge $60
  • πŸ‘Ž Subscription expired, can't view/edit
  • πŸ‘Ž Expensive and missing options
  • πŸ‘Ž Paid for a year, lost work after canceling
  • πŸ‘Ž Does not do spiral staircases
  • πŸ‘Ž Can't use features without subscription
  • πŸ‘Ž Repeatedly redirects to subscription page
  • πŸ‘Ž Difficult to cancel
  • πŸ‘Ž Unaccessible without paying
  • πŸ‘Ž Charged immediately for trial
  • πŸ‘Ž Paid version has nothing
  • πŸ‘Ž Subscription waste of money
  • πŸ‘Ž Can't calculate small rises
  • πŸ‘Ž Money pit, Β£80/year
  • πŸ‘Ž Doesn't disclose monthly cost
  • πŸ‘Ž Over $40 per month
  • πŸ‘Ž Can't do anything without subscription
  • πŸ‘Ž All features cost subscription
  • πŸ‘Ž Useless without subscription
  • πŸ‘Ž Similar tools available for free
  • πŸ‘Ž New features slow and confusing
  • πŸ‘Ž 3D model too detailed for field

More Stairs Calculator apps to explore

FAQ about Stairs Calculator

What are the best stairs calculator apps for iPhone?
Stair Calculator: Construction tops our stairs calculator apps ranking as of October 2026, with a 4.1-star average from 740 App Store ratings, and it's free to download.
Yes β€” 17 of the top stairs calculator apps we rank are free to download, including Stair Calculator: Construction and Stair Calculator Pro.
Stair Calculator: Construction has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ stairs calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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