Apps Like Petal Layout Pro for iPhone and iPad
Calculate and flat patterns for vessel ends
Calculate flat patterns for spherical heads, hemispherical ends, and -type layouts in sheet metal fabrication. Input dimensions to generate layouts for vessel caps and pressure vessel components. Export measurements for manufacturing use.
Petal Layout Pro screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



Calculator‰
Tim O's Studios, LLC
Calculate with large buttons and clear display
A calculator with large buttons and a clear display for efficient calculations. Supports basic arithmetic operations. Includes a Retina Display for improved visibility.


Pressure Vessel Heads Pro
Imran Pinjara
Calculate head dimensions and radii
Calculate head dimensions including blank diameter, crown radius, knuckle radius, and height. Support flat , 10% torispherical ends, 2:1 ellipsoidal ends, hemispherical , and 2:1 ellipsoidal dish end templates. Perform layout marking calculations.



Flat Pattern Calculator
Imran Pinjara
Calculate patterns for fabrication and manufacturing
Calculate patterns for fabrication, piping, pressure vessels, and industrial manufacturing. Input dimensions and select shapes to generate accurate layouts. Export measurements and share results directly.

Flat Pattern Bend Calculator
Bhavinkumar Satashiya
Calculate patterns for sheet metal designs
Sheet Metal allows users to generate patterns for cones and other complex shapes. Input dimensions and material properties to calculate angles and layout dimensions. Export results for fabrication use.

Measure Master Pro Calculator
Calculated Industries, Inc.
Solve U.S. and metric unit conversions.
The app converts U.S. and metric units for measurements, including linear, area, and volume dimensions.





Airtable
Formagrid Inc.
Create checklists, organize ideas, manage customers
Create customizable databases for task management, project tracking, and data organization. Add tables, forms, and views to structure information. Collaborate in real-time, set reminders, and integrate with other apps for workflow automation.




steelyard
Mohamed Saad
Calculate metal weight offline
Calculate metal weights with support for multiple metals, shapes, and units in both metric and imperial systems. Perform offline calculations without background processes. Save settings and favorite calculations.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.