Comparison

Nozzle Calculator Pro vs Flat Pattern Cone Calculators

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nozzle Calculator Pro

Features
Read full description

Nozzle Calculator is a professional engineering and fabrication tool for calculating nozzle orientation and marking dimensions for pressure vessels, cylindrical shells, storage tanks, and dish ends. The app helps mechanical engineers, pressure vessel designers, fabrication engineers, QA/QC professionals, inspectors, and workshop technicians calculate accurate dimensions required for nozzle positioning, orientation, layout marking, and fabrication inspection. It eliminates repetitive manual calculations and provides quick, clear, and workshop-ready results. Included Calculators • Shell Nozzle Orientation Calculator • Dish Nozzle Orientation Calculator Shell Nozzle Orientation Calculate nozzle marking dimensions on cylindrical pressure vessel shells and tanks. The calculator determines: • Shell Outside Diameter (OD) from OCF • OCF per Degree • OCF for a Selected Nozzle Angle • Nozzle Orientation Marking Dimensions These calculations are useful when transferring nozzle orientation information onto cylindrical shells during fabrication and inspection. Dish Nozzle Orientation Calculate nozzle arc distance and orientation dimensions on pressure vessel dish ends. The calculator supports common pressure vessel head geometries: • 10% Torispherical Head • 2:1 Ellipsoidal Head • Hemispherical Head Enter the required dish geometry and nozzle orientation information to obtain the calculated arc distance and related marking dimensions. Features • Shell nozzle orientation calculation • Dish nozzle orientation calculation • OCF calculation • OCF per degree • Nozzle angle calculation reference • Dish end arc distance calculation • Pressure vessel nozzle marking • Cylindrical shell layout calculations • Supports common dish end geometries • Metric and Imperial unit systems • Automatic internal unit conversion • Fractional Imperial input support • Clear and meaningful output values • Simple professional interface • Fast engineering calculations • No internet connection required Applications Nozzle Calculator is useful for: • Pressure Vessel Fabrication • Storage Tank Fabrication • Process Equipment Manufacturing • Cylindrical Shell Layout • Dish End Fabrication • Nozzle Installation • Vessel Inspection • Fabrication Layout • Industrial Equipment Manufacturing • Plant Maintenance Designed For • Mechanical Engineers • Pressure Vessel Engineers • Design Engineers • Fabrication Engineers • Production Engineers • QA/QC Engineers • Inspection Engineers • Fabrication Supervisors • Workshop Professionals • Vessel Fabricators • Engineering Students Nozzle Calculator helps reduce manual calculation work, minimize layout errors, save fabrication time, and improve accuracy when marking nozzle positions and orientations on pressure vessel shells and heads. Whether you are working on a cylindrical shell, storage tank, torispherical head, 2:1 ellipsoidal head, or hemispherical head, Nozzle Calculator provides a convenient engineering tool for nozzle orientation and fabrication marking calculations.

About

Flat Pattern Cone Calculators

This tool simplifies the creation of accurate flat patterns for various cone types, essential for engineering and fabrication. It allows for easy export to CAD software for laser or CNC cutting, eliminating manual calculations.

Highlights
  • Calculate flat layouts for different cone types
  • Save patterns as DXF files
  • Export to CAD software
  • DXF file for laser/CNC cutting
  • Simplify cone development
Features
Read full description

Flat Pattern Cone Calculator is a powerful tool designed to simplify the creation of cone developments for various applications. Whether you're working with a full cone, half cone, truncated cone, frustum, concentric, or eccentric cone, this app helps you calculate accurate flat patterns with ease. Cones are essential components in ventilation systems, piping, pressure vessels, heat exchangers, and tanks. This app is ideal for engineers, technicians, and students working with sheet metal or other flat materials. Key Features: - Calculate flat layouts for different types of cones - Save straight and truncated cone patterns as DXF files - Seamlessly export to CAD software such as AutoCAD, DWG FastView, SchemataCAD, or AutoDWG DWGSee - Use the DXF file for laser or CNC cutting Skip the manual calculations—create precise cone layouts ready for cutting and assembly in just a few taps. In app purchase included : In-app purchase Details: Weekly Subscription Monthly Subscription Yearly Subscription Lifetime Subscription Privacy Policy : https://applicationcontent.wordpress.com/privacy-policy/ Terms of use : https://applicationcontent.wordpress.com/terms-of-use

Screenshots

Nozzle Calculator Pro4 screens
Flat Pattern Cone Calculators4 screens

Verdict

The call

The clearest difference is price: Flat Pattern Cone Calculators at Free against Nozzle Calculator Pro's $2.99. Flat Pattern Cone Calculators also leads on update cadence (every 14 months vs every 41 months) and iOS requirement (13.0 vs 16.1). Nozzle Calculator Pro's advantage is in-app purchases (none vs 4). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Flat Pattern Cone Calculators is free to download; Nozzle Calculator Pro costs $2.99 up front. Flat Pattern Cone Calculators sells 4 in-app purchases, starting at $1.99 per 7 days. Nozzle Calculator Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Nozzle Calculator Pro ships an update every 41 months, Flat Pattern Cone Calculators every 14 months. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
Nozzle Calculator Pro versus Flat Pattern Cone Calculators: the parameters behind the verdict, then further details
ParameterNozzle Calculator ProFlat Pattern Cone Calculators
Price$2.99Free — better
Rating—3.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 41 monthsEvery 14 months — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.113.0 — better
Further details — not scored
Size1 MB54 MB
Age rating4+4+
DeveloperImran PinjaraAshvin Kevadiya

In-app purchases

None

Nozzle Calculator Pro

No in-app purchases

4 purchases

Flat Pattern Cone Calculators

Subscriptions3
  • Weekly$1.997 Days
  • Monthly$3.991 Month
  • Yearly$5.991 Year
One-time1
  • Lifetime Premium$8.99

Questions

Is Nozzle Calculator Pro free?
Nozzle Calculator Pro costs $2.99, with no in-app purchases.
Is Flat Pattern Cone Calculators free?
Flat Pattern Cone Calculators is free to download, with in-app purchases available.
Do Nozzle Calculator Pro or Flat Pattern Cone Calculators have ads?
Neither Nozzle Calculator Pro nor Flat Pattern Cone Calculators shows ads.
Which is updated more often, Nozzle Calculator Pro or Flat Pattern Cone Calculators?
Nozzle Calculator Pro ships an update every 41 months, and Flat Pattern Cone Calculators every 14 months. Most recently, Nozzle Calculator Pro was updated on October 1, 2026 and Flat Pattern Cone Calculators on October 14, 2026.

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