is a specialized engineering utility developed by V PUGAZHENTHI for designing metallic bellows-type expansion joints according to EJMA Standards (10th Edition) . It is available on the Apple App Store for iPhone, iPad, Mac, and Apple Vision. User Sentiment and Key Features

: The app is free to download, but offers high-tier "All Access" in-app purchases ranging from approximately $34.99 to $299.99 .

: Users can set parameters for internal diameter, convolution height, ply thickness, pitch, design pressure, and temperature.

“This application is very useful in bellows calculation.” Apple Product Details

: According to the App Store listing, the developer does not collect any data from this app. Bellows Design Software - App Store

: Recent updates have introduced a new user interface and yield tables for temperatures up to 975∘C975 raised to the composed with power C Feedback from the Community

: Includes separate calculations for tie rods, lugs plates, hinges, and vibrations.

: Supports calculations for a long list of materials, including single and dual bellows with annealed options.