Best apps like CSiUnits

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated August 2026
CSiUnits
CSiUnits
Computers and Structures, Inc.

Looking for something like CSiUnits? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to CSiUnits

RedX Roof - Rafter Calculator#1

RedX Roof - Rafter Calculator by RedX Technology Inc

Rafters, Valleys, Trusses
Editor's Choice
🔧 Utilities
4.7😐(846 ratings)
FreeIn-App Purchases
RedX Roof - Rafter Calculator screenshot 1
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RedX Roof - Rafter Calculator screenshot 5
RedX Roof - Rafter Calculator screenshot 6

This app is a 3D roof builder and rafter calculator for contractors and DIYers. It automatically generates professional blueprints with labeled parts, cut lists, and material estimates. Design complex roof systems in interactive 3D and export plans for the job site.

What We Love

  • 🚀 Great app
  • 👍 Easy to use
  • 👍 Helpful for roofing work
  • 👍 Saves time

Room to Improve

  • 🐛 Crashes
  • 🔒 Requires account signup
  • 💰 Paid features
PIX4Dcatch: 3D scanner#2

PIX4Dcatch: 3D scanner by Pix4D

3D models from images & LiDAR
Strong Contender
🔧 Utilities
4.7(262 ratings)
FreeIn-App Purchases
PIX4Dcatch: 3D scanner screenshot 1
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PIX4Dcatch: 3D scanner screenshot 6

Transform your mobile device into a powerful 3D scanner. Capture images and LiDAR data to create accurate 3D models for professional use. Visualize, measure, and share your creations in AR.

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4
Structural Engineering lite
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This app provides engineers with essential structural formulas and calculations for civil construction projects. It offers instant results, demand/capacity checks, and a built-in database of materials and sections, all accessible on mobile devices.

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SSI Steel Design
SSI Steel Design
SSI Steel Design
by Sahaviriya Steel Industries Public Company Limited
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Easily determine the capacity of structural steel beams and columns. Get detailed calculation sheets to verify your work, designed according to AISC 360-16 standards. Features intuitive touch-based interaction and built-in material databases.

Determine steel beam and column capacityGenerate detailed calculation sheetsIntuitive touch-based design input
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Beam Engineering lite
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This app provides 34 civil engineering calculators for beam analysis and conversion, referencing industry codes. It offers auto-fill options for material and section pickers and supports dual units. A pro version unlocks unlimited calculations, history, and PDF exports.

34 civil engineering calculatorsAISC, ACI, ASCE code referencesAuto-fill section and material pickers
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Mechanical Engineering Toolkit
Mechanical Engineering Toolkit
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Engineering Equations,Formulas
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This utility app provides a comprehensive collection of engineering equations and formulas for students and professionals. Easily perform calculations by selecting a formula and inputting variables, with detailed instructions and reference material included.

Engineering equations and formulasMechanics of Material calculationsTheory of Elasticity formulas
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Rebar Calc
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Rebar Calc
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This app simplifies concrete and rebar calculations for construction projects. It helps estimate rebar tonnage, mesh quantities, and concrete volume, and can even provide quotes for materials.

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Apoio Duplo
Apoio Duplo
Apoio Duplo
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This app simplifies structural analysis for reinforced concrete slabs and beams. It allows engineers and students to design elements intuitively, view internal forces, and generate calculation reports based on Brazilian code NBR 6118.

Design slabs and beams intuitivelyView internal forces and reactionsGenerate calculation memory
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