Pressure Vessel Thickness Pro vs Bellows Design Software
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pressure Vessel Thickness Pro
Calculate the required design and nominal thickness for various pressure vessel components, including shells, heads, and cones, according to ASME Section VIII Div 1 codes. This offline tool offers high performance for engineers in process equipment manufacturing.
- Shell thickness calculation
- Head thickness calculation (Hemi, Tori, Ellipsoidal)
- Cone thickness calculation
- ASME Section VIII Div 1 compliance
- Offline functionality
- High performance
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Pressure Vessel Thickness Calculator is a professional engineering tool for calculating required pressure vessel component thickness for internal pressure applications. It is designed for pressure vessel engineers, mechanical engineers, process equipment designers, and engineering professionals who need quick thickness calculations and design verification. The app provides calculations for pressure vessel shells, heads, and conical components using applicable formulas based on ASME Section VIII Division 1 requirements. It is useful during preliminary design, engineering calculations, equipment evaluation, and quick verification of pressure vessel thickness. Available Thickness Calculators • Shell Thickness Calculator • Hemispherical Head Thickness Calculator • Torispherical Head Thickness Calculator • 2:1 Ellipsoidal Head Thickness Calculator • Conical Shell Thickness Calculator Shell Thickness Calculate required shell thickness for cylindrical pressure vessel components subjected to internal pressure. Useful for preliminary pressure vessel design and checking required wall thickness based on the applicable design parameters. Hemispherical Head Thickness Calculate required thickness for hemispherical pressure vessel heads under internal pressure conditions. Torispherical Head Thickness Calculate required thickness for torispherical pressure vessel heads using the applicable design parameters and calculation formula. 2:1 Ellipsoidal Head Thickness Calculate required thickness for commonly used 2:1 ellipsoidal pressure vessel heads. Conical Shell Thickness Calculate required thickness for conical pressure vessel sections subjected to internal pressure. Design & Nominal Thickness The application can assist with determining required design thickness and estimating nominal thickness by considering the relevant design inputs and allowances used in the calculation. Features • Pressure vessel shell thickness calculation • Pressure vessel head thickness calculation • Hemispherical head calculation • Torispherical head calculation • 2:1 ellipsoidal head calculation • Conical shell thickness calculation • Internal pressure design calculations • Design thickness calculation • Nominal thickness estimation • ASME Section VIII Division 1 based formulas • Metric and Imperial unit support • Automatic unit conversion • Clear engineering results • Fast calculations • Simple professional interface • No internet connection required • No distracting advertisements Applications Pressure Vessel Thickness Calculator is useful for: • Pressure Vessel Design • Process Equipment Design • Pressure Vessel Fabrication • Heat Exchanger Design • Reactor Design • Column and Tower Design • Storage Tank Engineering • Industrial Equipment Design • Mechanical Engineering • Engineering Design Verification Designed For • Pressure Vessel Engineers • Mechanical Engineers • Design Engineers • Process Engineers • Fabrication Engineers • Equipment Designers • Project Engineers • Engineering Consultants • QA/QC Professionals • Engineering Students Pressure Vessel Thickness Calculator provides a convenient way to perform common pressure vessel thickness calculations and quickly review required component thickness during engineering and design work. Whether you are checking a cylindrical shell, hemispherical head, torispherical head, 2:1 ellipsoidal head, or conical section, the app provides a practical calculation tool for pressure vessel and process equipment engineering. Important: Results should be independently verified by a qualified engineer and against the applicable edition, requirements, material properties, design conditions, and other provisions of the governing design code before being used for final pressure vessel design or fabrication.
Bellows Design Software
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.
- 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
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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
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Verdict
The clearest difference is price: Bellows Design Software at Free against Pressure Vessel Thickness Pro's $3.99. Bellows Design Software also leads on rating (5.0 vs 1.0) and update cadence (monthly vs every 41 months). Pressure Vessel Thickness Pro's advantage is in-app purchases (none vs 2). On ratings volume, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Bellows Design Software is free to download; Pressure Vessel Thickness Pro costs $3.99 up front. Bellows Design Software sells 2 in-app purchases, starting at $34.99 per month. Pressure Vessel Thickness Pro asks for nothing beyond the download.
Bellows Design Software holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Pressure Vessel Thickness Pro ships an update every 41 months, Bellows Design Software monthly. Both last shipped on September 15, 2026.
| Parameter | Pressure Vessel Thickness Pro | Bellows Design Software |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 41 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.1 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Imran Pinjara | V PUGAZHENTHI |
Customer experience
Pressure Vessel Thickness Pro
Bellows Design Software
In-app purchases
Pressure Vessel Thickness Pro
No in-app purchases
Bellows Design Software
- All Access for Bellows3 Days trial$34.991 Month
- All Access for Bellows Design14 Days trial$299.991 Year
Questions
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