Best TriangleData alternatives: apps like TriangleData

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated November 2026

TriangleData is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to TriangleData

Stair Calculator: Construction#2

Stair Calculator: Construction by Phan Nhat Đang

Step, Run, Rise, Angle, Length
Strong Contender
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
RedX Stairs - 3D Calculator#3

RedX Stairs - 3D Calculator by RedX Technology Inc

Design & Calculate Stairs
Worth Considering
πŸ”§ Utilities
4.5😞(425 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

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4
Chippy Tools: Construction
Chippy Tools: Construction
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Free

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

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This app helps contractors and DIYers accurately estimate material costs and quantities for construction projects. It features dimensional measurement tools, unit conversions, and a material database to optimize budgeting and ordering.

Precise cost and percentage calculationsIntegrated material size databaseAdvanced dimensional measurement tools
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Construction Master 5 Calc
Construction Master 5 Calc
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This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.

Feet-inch-fraction calculationsRight angle and rafter calculationsArea and volume solutions
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Angle Meter 360
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Angle Meter 360
Convenient angle meter, finder
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Measure angles precisely on photos or in real-time using your camera. This user-friendly tool allows for unlimited angle measurements simultaneously, with features like scaling and color adjustment for ease of use.

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Feet and Inches Calculator
Feet and Inches Calculator
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Perfect Construction Calc!
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A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
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Protractor for Angle Measuring
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Protractor for Angle Measuring
Measure Angles in Few Taps
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Transform your iPhone into a precision angle measurement tool. Effortlessly assess angles in real-time using touch and camera modes, measure multiple angles simultaneously, and customize your tools for accuracy and simplicity. Ideal for quick, reliable on-the-go assessments.

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Measure Angles - Bubble Level
Measure Angles - Bubble Level
Measure Angles - Bubble Level
Protractor, Clinometer, Slopes
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This app transforms your device into a versatile measuring tool. It offers precise angle readings with a digital protractor and bubble level, along with AR-powered distance and volume measurements. Ideal for professionals, DIY enthusiasts, and everyday tasks requiring accuracy.

Digital protractor for angle measurementBubble level for surface flatnessAR-powered distance and volume estimation
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