# Bellows Design Software — Expansion Joints Ejma > Design metallic bellows expansion joints based on EJMA Standards. (iPhone/iPad app by V PUGAZHENTHI.) - Source: https://appshunter.io/ios/app/bellows-design-software/id1635945221 (this page in markdown: same URL + `.md`) - Developer: [V PUGAZHENTHI](https://appshunter.io/developer/491898049) - Category: Utilities, Reference - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 16.0 · 26 MB - Languages: English, Spanish - Released: 2022-09-19 - Data updated: 2026-06-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/bellows-design-software/id1635945221/reviews.md ## What is Bellows Design Software? Bellows Design Software is developed based on EJMA Standards 10th edition. Useful in designing Metallic Bellows type Expansion joints for safe and reliable usage. Select Internal Diameter of Bellows, Convolution Height, Ply thickness, Pitch and Number of Plies. Set Design Pressure and Temperature. Choose Bellows Materials,  Input Axial, Lateral and Angular Movements. Include Collar, Spool and Cycle Life and GO. App checks the design parameters with all set of Conditions to be met as per EJMA Standard. Calculations include Single, Dual Bellows with over a long list of Materials. Other Features : Includes Vibration, Bellows Forming Methods - ( in the creep range, above the creep range ) Calculations for Annealed Bellows. Set Factors - Weld Factor, Fatigue Safety Factor and Forming Method Factor Set Constants for Axial Vibration and Lateral Vibration. Separate Calculations for Tie Rods, Lugs Plate and Hinges are included. Terms of Use : https://sites.google.com/view/bellowsdesignsoftware Privacy Policy : https://sites.google.com/view/bellowsdesignsoftware ## Key features - Design metallic bellows expansion joints - Input internal diameter, convolution height, ply thickness, pitch, and number of plies - Set design pressure, temperature, and movements - Check design parameters against EJMA Standards - Calculations for single and dual bellows - Includes vibration and bellows forming methods - Calculations for tie rods, lugs plate, and hinges ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | All Access for Bellows Design | $299.99 | per year | | All Access for Bellows | $34.99 | per month | ## Frequently asked questions about Bellows Design Software ### What EJMA Standards does Bellows Design Software use? Bellows Design Software is developed based on the 10th edition of EJMA Standards. It checks design parameters against all set conditions as per these standards for safe and reliable usage of metallic bellows type expansion joints. ### What are the subscription options for Bellows Design Software? Bellows Design Software offers two subscription plans: 'All Access for Bellows' at $34.99/month with a 3-day free trial, and 'All Access for Bellows Design' at $299.99/year with a 14-day free trial. ### What types of movements can be input into Bellows Design Software? Users can input Axial, Lateral, and Angular movements into the software. This allows for comprehensive design considerations for various operational scenarios of the expansion joints. ### Does Bellows Design Software include calculations for other components? Yes, Bellows Design Software includes separate calculations for Tie Rods, Lugs Plate, and Hinges. This provides a more complete design solution for expansion joint systems. ### What materials can be selected for bellows in this software? The software allows users to choose from a long list of materials for the bellows. It performs calculations for both single and dual bellows configurations with these selected materials. ### How frequently is Bellows Design Software updated? The latest version of Bellows Design Software is 8.0, last updated on June 13, 2023. This indicates a commitment to regular updates and improvements. ### What is the age rating for Bellows Design Software? Bellows Design Software has an age rating of 4+. This means it is suitable for users of all ages and does not contain content inappropriate for children. ### Does Bellows Design Software have ads? No, Bellows Design Software does not contain advertisements. Its monetization is based on optional in-app purchases and subscription plans. ## Version history (last 5 releases) ### 8.0 — 2023-06-13 App now supports Imperial Calculations ### 7.0 — 2023-03-27 updated yield table values for temperature ranging 1000 degree Celsius ### 5.0 — 2022-12-22 Bellows Design works on your iPhones too. Subscribe once and use the App in both iPhones and iPads. ### 2.1 — 2022-12-03 - an error in the Angular Spring rate calculation ( ASR ) is fixed. ### 2.0 — 2022-11-18 - minor changes done in the formulas page, for better understanding. ## Apps similar to Bellows Design Software | App | Rating | Price | Category | | --- | --- | --- | --- | | [Interpolation Calculator Pro](https://appshunter.io/ios/app/interpolation-calculator-pro/id6751057449) | — | $0.99 | Utilities | | [AP CHAMBERS](https://appshunter.io/ios/app/ap-chambers/id1643430790) | — | Free | Utilities | | [BHand](https://appshunter.io/ios/app/bhand/id6449812443) | — | Free | Utilities | | [Sounds Watch](https://appshunter.io/ios/app/sounds-watch/id1642884704) | — | $0.99 | Utilities | | [Inateck OTA](https://appshunter.io/ios/app/inateck-ota/id6483054656) | — | Free | Utilities | | [Layrz Link](https://appshunter.io/ios/app/layrz-link/id1618793341) | — | Free | Utilities | ## More apps by V PUGAZHENTHI - [Ohms Law Calc.](https://appshunter.io/ios/app/ohms-law-calc/id491898006) - [Electrical Calculator](https://appshunter.io/ios/app/electrical-calculator/id495478153) - [Electrical Converter](https://appshunter.io/ios/app/electrical-converter/id497685179) - [Electrical Engineering Pack](https://appshunter.io/ios/app/electrical-engineering-pack/id505423236) - [Elec Series & Parallel Calc.](https://appshunter.io/ios/app/elec-series-and-parallel-calc/id511296315) - [Universal Converter.](https://appshunter.io/ios/app/universal-converter/id519552652) All apps by V PUGAZHENTHI: https://appshunter.io/developer/491898049 ## Related topics [bellows design software](https://appshunter.io/ios/topics/bellows-design-software) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*