250+ iOS apps curated and reviewed
Bellows Design Software is the household name in bellows design software, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | Yes | May 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free was $0.99 | 3.9★ (17) | No | No | Jul 2026 |
| 4 |  | Free | 4.3★ (302) | No | Yes | Aug 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 3.0★ (1) | No | Yes | May 2026 |
| 7 |  | Free | 3.3★ (32) | Yes | Yes | May 2026 |
| 8 |  | Free | — | Yes | No | May 2026 |
This application assists in designing metallic bellows type expansion joints according to EJMA Standards. It allows users to input various design parameters and movement inputs to ensure safe and reliable usage. The software performs comprehensive calculations and checks against EJMA conditions for different bellows configurations and materials.
This application allows users to design and analyze aircraft wing sections using advanced numeric methods and CFD simulations. It offers tools for creating custom airfoil geometries, real-time aerodynamic analysis, and importing existing designs.
This application allows users to view, edit, and share CAD drawings on their mobile devices. It supports multiple file formats, offers precise measurement tools, and includes a wide range of editing and drawing functions. It's designed for professionals in architecture, engineering, and construction.
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.
Create and edit complex 3D models directly on your mobile device. This professional CAD application offers a wide range of tools for sketching, solid and surface modeling, and advanced operations. Work offline and exchange data with popular CAD systems.
Access dimensional and weight data for over 70 common ASME piping components. Provides information in Metric, US Customary Units, and Inch/Fractions, with audited weights for valves, flanges, and other parts. Ensures accuracy and up-to-date information based on the latest ASME specifications.
This HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.
This app helps model aviation enthusiasts estimate key design metrics like wing loading and thrust-to-weight ratio. It supports mixed units for weight and length measurements, offering specialized worksheets for component breakdown and wing area. Users can save, name, and recall multiple model designs.
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.
This app provides a collaborative platform for viewing and interacting with 2D and 3D CAD drawings and models on mobile devices. It supports a wide range of file formats and offers features for project management, measurement, and annotation, facilitating communication throughout the product lifecycle.
This tool assists pipe fitters, welders, and engineers in calculating pipe welding layouts, fit-ups, angles, and offsets. It offers a simple interface for precise calculations, saving time and improving accuracy in fabrication and construction.
This app provides a comprehensive suite of technical calculators and standardized tables for metalworking and machining. It offers tools for calculating cutting values, dimensions, tolerances, and includes guides on G-codes and Mastercam.