Silverson Conversion Tools vs Cones Calculator Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Silverson Conversion Tools
This app provides engineers and operations personnel with tools to calculate the volume of vertical tanks of various shapes and top/bottom styles. It also includes multiple conversion tools for common measurements and a browser for product information.
- Vertical tank volume calculation
- Multiple tank shapes and top/bottom styles
- Unit conversion tools
- Email/Share calculation results
- Integrated product browser
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This versatile set of calculating tools from Silverson Machines is a handy reference app for engineers and operations personnel allowing you to calculate the volume of any vertical tank based on parameters you choose. Choose from the following: Vertical Tank Shapes: • Cylindrical • Rectangular Top and Bottom Styles: • Flat • Dished • Spherical • Conical Silverson’s app even allows you to Email/Share your volume calculation results and includes a browser for viewing Silverson product lines and website. In addition there are multiple conversion tools for the following measurements: • Length • Fine Measurement • Flow • Motor Power • Pressure • Temperature • Volume • Weight
Cones Calculator Pro
This app calculates flat pattern layouts for various types of cones, including full, half, truncated, concentric, and eccentric cones. It's designed for fabrication professionals working with pressure vessels, heat exchangers, and storage tanks.
- Flat pattern layout development
- Full, half, and truncated cone calculations
- Concentric and eccentric cone layouts
- Multi-level cone division
- Tori cone with knuckle options
- Fabrication-ready layouts
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Cone Calculator is a professional engineering and fabrication tool for developing accurate flat pattern layouts for different types of cones and conical components. Designed for fabrication engineers, fitters, mechanical engineers, workshop professionals, and industrial manufacturers, the app simplifies complex cone development calculations and provides practical dimensions for plate marking, cutting, and fabrication. It is useful for pressure vessel fabrication, process equipment, piping, heat exchangers, storage tanks, ducting, and general sheet metal fabrication. Supported Cone Layouts • Full Cone Development • Half Cone Development • Truncated Cone Development • Multi-Level Truncated Cone • Eccentric Cone Development • Multi-Level Eccentric Cone • Tori Cone / Knuckle Cone • Tori Cone with Knuckle at Large End • Tori Cone with Knuckles at Both Ends Full, Half & Truncated Cone Generate flat pattern developments for concentric conical shapes. Calculate the required development dimensions, radius, angles, and cord lengths for plate layout and fabrication. Multi-Level Truncated Cone Develop large truncated cones in multiple sections when the complete cone cannot be manufactured from a single plate or when available sheet or plate size is limited. This provides practical development information for fabrication and assembly of large conical components. Eccentric Cone Generate flat pattern layouts for eccentric cone transitions using the supported development method. The calculator provides development information and marking dimensions for the top and bottom profiles, making it useful for offset and eccentric fabrication applications. Multi-Level Eccentric Cone Develop large eccentric cones in multiple sections for applications where a single-piece development is impractical because of component size, plate dimensions, or fabrication requirements. Tori / Knuckle Cone Calculate flat pattern development for conical components incorporating knuckle geometry. Supported configurations include: • Knuckle at Large End • Knuckle at Both Ends • Straight Face Dimensions Features • Accurate cone flat pattern development • Full cone layout • Half cone layout • Truncated cone development • Multi-level cone development • Eccentric cone development • Multi-level eccentric cone development • Tori / knuckle cone development • Development radius calculation • Development angles • Cord length calculations • Fabrication-ready marking dimensions • Metric and Imperial unit support • Automatic unit conversion • Simple and professional interface • Fast calculations • No internet connection required • No distracting advertisements Applications Cone Calculator is useful for: • Pressure Vessel Fabrication • Process Equipment Fabrication • Heat Exchanger Manufacturing • Storage Tank Fabrication • Piping Fabrication • Sheet Metal Fabrication • Ducting and Transition Fabrication • Industrial Equipment Manufacturing • General Fabrication • Workshop Layout and Marking Designed For • Fabrication Engineers • Mechanical Engineers • Design Engineers • Production Engineers • Fabrication Fitters • Workshop Supervisors • Fabrication Contractors • Piping Professionals • Process Equipment Manufacturers • Engineering Students Cone Calculator helps reduce manual geometry calculations, save fabrication time, minimize layout errors, and improve accuracy when transferring developed dimensions onto plate or sheet metal. Whether you are developing a simple full cone, truncated cone, eccentric cone, large multi-level cone, or knuckle cone, Cone Calculator provides a convenient engineering tool for practical fabrication and layout development. For fabrication-ready results, using appropriate mean dimensions during layout development is recommended where applicable.
Screenshots
Verdict
The clearest difference is price: Silverson Conversion Tools at Free against Cones Calculator Pro's $3.99. Silverson Conversion Tools also leads on rating (4.7 vs 1.0) and update cadence (every 6 months vs every 41 months). On ads, in-app purchases and device support 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
Silverson Conversion Tools is free to download; Cones Calculator Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Silverson Conversion Tools holds the better App Store score, 4.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Silverson Conversion Tools ships an update every 6 months, Cones Calculator Pro every 41 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.
| Parameter | Silverson Conversion Tools | Cones Calculator Pro |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.7 (3 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 6 months — better | Every 41 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.1 |
| Further details — not scored | ||
| Size | 9 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Silverson Machines Limited | Imran Pinjara |
Customer experience
Silverson Conversion Tools
Cones Calculator Pro
In-app purchases
Silverson Conversion Tools
No in-app purchases
Cones Calculator Pro
No in-app purchases
Questions
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Is Cones Calculator Pro free?
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