Free Civil and Mechanical Apps

Free Interactive Apps

Our approach is centered on interactive learning. We believe that by engaging with materials actively, learners can more effectively understand and retain complex concepts. Our apps have helped more than 500 thousand students across the world to understand and learn the concepts in an interactive manner. Check out our apps on the google play store.

⭐️ ⭐️ ⭐️ ⭐️ ⭐️ 1000+ | 500,000 + Downloads (Cumulative)

At eigenplus, our goal is to to cultivate a deep love and appreciation for mechanics by understanding it from the fundamental principles. We do this with the help of interactive android applications and accompanying web articles and videos.

Our mission is to transform the learning of mechanics from a traditional, often challenging endeavor into an engaging and enjoyable journey. We are passionate about mechanics and its profound impact on the world, and we want to share that passion with everyone.

What our app users say

Some kind words from our app users. ❤️

★ ★ ★ ★ ★

I never found this kind of user-friendly and quick design app, even I’m from Geotechnical Engineering background this app easly I can understand and used it, Thanks you developers

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Google Play Store

★ ★ ★ ★ ★

This app helped me alot during my study of solid mechanics, everytime i draw the mohr circle i check my answer with this app, very useful.

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Google Play Store

★ ★ ★ ★ ★

Excellent. First time I’ve ever seen Pass/Fail criteria shown graphically as on the Failure Theories page for the Tresca distorted hexagon and Von Mises ellipse.

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Google Play Store

★ ★ ★ ★ ★

A Good and user friendly design App Really flexible and have incoorporated all the IS code slab support conditions. Simple yet powerful..☺

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Google Play Store

★ ★ ★ ★ ★

One of the best civil engineering applications on app store.


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Google Play Store

★ ★ ★ ★ ★

Very useful app for quick design results. Lots of information available on app. 

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Google Play Store

Concrete Mix Design

  • Calculate cement, sand and aggregate quantity in concrete. 
  • Calculate the number of premix bags required for your project.
  • Option to set your own size and rate of premix bags.
  • Calculate the volume of concrete required for slabs, walls, footings and columns.
  • Calculate the weight of ingredients required for preparing the calculated volume of concrete.

Slab Design

  • RCC Design and detailing could be performed for ten different boundary conditions
  • Option to save the design projects in local storage.
  • Detailed calculation steps presented for verification.

Beam Design

  • RCC Design and detailing could be performed by Limit State Method based on Indian Standards
  • Option to save the design projects in local storage.
  • Detailed calculation steps presented for verification.
  • Graphical presentation of design results.

Column Design

  • RCC Design and detailing could be performed by Limit State Method based on Indian Standards
  • Option to save the design projects in local storage.
  • Detailed calculation steps presented for verification.
  • Graphical presentation of design results.

Solid Mechanics

  • Interactive Mohr’s Circle of Stress and Strain.
  • Calculators for Stress and Strain Analysis.
  • Graphical representations of failure criteria.
  • A detailed description of key concepts of Solid Mechanics with diagrams.