Deflection is the most interactive, fast, and precise app available for structural beam analysis.


Obtain design results and diagrams in real-time.

• Shear force
• Bending moment
• Deflection distance


Specify values directly, or find common shapes and materials using the built-in databases.

• United States
• Europe
• Japan
• India
• Russia
• Great Britain
• Canada
• Australia


Simply drag any load or support on the beam.

• Concentrated point loads
• Distributed loads
• Moment loads
• Simple supports
• Fixed supports
• Fixed hinges
• Floating Gerber hinges


• Automatic detection of local maxima and minima in diagrams
• Metric and standard measurement units


We want to hear from you! Issues, questions, or requests? Please submit a review or email

What’s New

Version 5.9.1

• NEW: Undo and redo! Use the new buttons in the top toolbar to undo and redo your changes.
• NEW: New editor layout for a more streamlined experience on iPad.
• IMPROVED: Better app stability and lots of minor issue fixes.

Ratings and Reviews

4.4 out of 5
23 Ratings

23 Ratings

clarkkurt ,

Clumsy UI

Clums y UI coupled with limited functionality has me looking for something better.

Developer Response ,

Thank you for your honest feedback. If you would like to share more details with us by emailing, we would try our best to address them. We look forward to hear from you!

jsd27764121672 ,

Civil engineer

Terrible app, what a pain in the neck to use. Poorly designed application, please refund my purchase.

Developer Response ,

We continuously make improvements to the app based on user feedback, and we are sorry it did not meet your expectations. We would love to hear about your experience, and we can help you further if you email us directly at We look forward to hear from you!

App Privacy

The developer, Blue Ketchep, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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